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robinfr93
 3 years ago
Let PQR be a right angled isosceles triangle in a cartesian plane, right angled at P(2,1). If the equation of the line QR is 2x+y = 3, then the equation representing the pair PQ and PR is..
robinfr93
 3 years ago
Let PQR be a right angled isosceles triangle in a cartesian plane, right angled at P(2,1). If the equation of the line QR is 2x+y = 3, then the equation representing the pair PQ and PR is..

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ChmE
 3 years ago
Best ResponseYou've already chosen the best response.0Draw a picture first. it always helps visualize

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0Well there wasn't one but neway heres what I can do..

ChmE
 3 years ago
Best ResponseYou've already chosen the best response.0When it says right angled at (2,1) I think at that point it is 90 deg

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1347994216890:dw

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0yes dats pretty obvious isn't it??

ChmE
 3 years ago
Best ResponseYou've already chosen the best response.0Right angle isoceles means that the sides to each side of the right angle are equal. Ya I'd say so after the picture.

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0yup, both the angles will be 45 degrees, i.e, 45+45+90

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0Can't anybody solve this??

bahrom7893
 3 years ago
Best ResponseYou've already chosen the best response.0I want to say PQ is just x=2 and PR is just y=1, but what if the triangle is at an angle..

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1just find points Q and R, given that we know P

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1then use point slope and all that business

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0Its an isosceles right angled triangle that means 2 of its angle are 45 degrees and one is at 90 degrees..

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0@TuringTest the question is HOW???

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1let's draw a bigger pic

bahrom7893
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1347994331965:dw

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0btw the answers ae PQ = x+3y 5 and PR = 3xy5

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0@bahrom7893 No dude!!! Its already in the question... :P

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1347994441088:dw

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0I got it so far!!! next step will be what??

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1calm down dude I am explaining...

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0:P Sorry its just that its getting in my head bad!!

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0well all that is given in the ques, no additionally details are provided..

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1though I must admit I;m not sure exactly what they are asking the equation for the pair? what do they mean?

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0hahhahahahah.. Exactly what Ive stumbled upon..

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0by pair of lines they mean PQ and PR

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1but infinitely I assume, not a finite line segment....

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0nope its finite alright!!!

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1then the answer must give bounds to x and y

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0Look will it help if I write the solution down, The thing is Ive got the solution but I don't really understand it very well...

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1347994766490:dw

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1yeah that may help me understand what they are asking

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0The equations of PQ and Pr are... y2 = [2 /+ tan 45/1+/ (2)tan 45] * (x2) <=> HOW??? Solving this they Got PQ ad PR...

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1oh I misinterpreted the problem I see

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1347994998473:dwso my assumption that the legs of the triangle followed the grid was wrong

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0@TuringTest Still don't get...

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1well now the problem is harder than I thought, so let me think on it I was eating lunch as I was doing this because I thought it would be easy lol

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0:P well it isn't @hartnn DUDE!!! You were saying u got it ryt?? Will you do the honor of telling me how??

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2even i thought that lines are vertical and horizontal.....but they r not.....even i m stuck...

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2that seems the formula for tan(A+B) ....in the solution u mentioned....do u have some standard formulas in this topic ?

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0I know!!! just one , but I don't understand hw to implement it in this one..

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0Two lines will be perpendicular to each other if...coeff of x^2 + coeff of y^2 = 0

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0but this is a first degreeequation so can't really put that in...

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0Think people THINK!!!! The person who can solve this will be titled a born genius.. :P

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1347995522447:dw

TuringTest
 3 years ago
Best ResponseYou've already chosen the best response.1I dunno I'll have to drop this for now...

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0NOOOOOOOOOOOOOOOOOOOOOOOOOOO!!!! :'(

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2dw:1347995617810:dw i don't know what i m doing......

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.21 more equation and we are done.

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0you mean one more equation if was provided??

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.21 more equation WE need to find.

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0Take all the time you need, Ill be here for a while....

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2lol, very big equation it is!! PQ=PR and distance formula :P

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2we getting 8 equations and 8 unknowns but its almost impossible to solve them simultaneously.....there must be another way...

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0I typed in the equation and the solution that was given in the text.. The only questions bugging my mind is Y and HOW??

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2and even how y2 and x2 ?? y2 and x1 maybe.....

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2we can use help of @ganeshie8 here....

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2do u have formulas like this somewhere ? \(\huge yy_1=\frac{m_1\pm m_2}{1\mp m_1m_2}(xx_1)\) with this u directly get to answer..............

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2m1 is slope of given line = 2 m2 is slope between lines = tan 45 .............

ganeshie8
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1347997360648:dw

ganeshie8
 3 years ago
Best ResponseYou've already chosen the best response.1im trying to work this out by finding out inclination angles for the two lines PR and PQ

ganeshie8
 3 years ago
Best ResponseYou've already chosen the best response.1since we have a point P(1, 2 ) already, we just need to find the inclination angle

ganeshie8
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1347997747693:dw

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2nice hint @ganeshie8 , i have some idea now....

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2inclination angles easy to find.........

ganeshie8
 3 years ago
Best ResponseYou've already chosen the best response.1no this is roundabout way... im sure using ur formula we get to the answer much faste.r...

robinfr93
 3 years ago
Best ResponseYou've already chosen the best response.0can someone just elucidate what or how I can solve the problem??

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2did u get that figure ? @robinfr93

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2dw:1347998406604:dw solved!

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.2main thing was to find slope of one of the line = 3 using inclination angles....
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