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A curve has an equation y=2/x^2 + 5/2
Find the equation of the tangent to the curve at point (2,3)
 5 months ago
 5 months ago
How to solve this? A curve has an equation y=2/x^2 + 5/2 Find the equation of the tangent to the curve at point (2,3)
 5 months ago
 5 months ago

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DecartBest ResponseYou've already chosen the best response.1
\[\frac{ 2 }{x ^{2} }+\frac{ 5 }{ 2 }\]
 5 months ago

SyteeBest ResponseYou've already chosen the best response.0
what did u just wrote, it became error. all of a sudden
 5 months ago

DecartBest ResponseYou've already chosen the best response.1
do you need to take the derivative
 5 months ago

Peter14Best ResponseYou've already chosen the best response.0
is the equation, right?
 5 months ago

SyteeBest ResponseYou've already chosen the best response.0
@Peter14 yes that is the equation
 5 months ago

SyteeBest ResponseYou've already chosen the best response.0
@Decart yes,need to take the derivative , how?
 5 months ago

SyteeBest ResponseYou've already chosen the best response.0
i get dy/dx = 4x^3, after that what should i do?
 5 months ago

Peter14Best ResponseYou've already chosen the best response.0
or simplify it to 2x^(2)
 5 months ago

DecartBest ResponseYou've already chosen the best response.1
the low times the derivative of the high  the high times the derivative of the low all divided by the low squared
 5 months ago

Peter14Best ResponseYou've already chosen the best response.0
do you know pointslope form?
 5 months ago

DecartBest ResponseYou've already chosen the best response.1
once you find the derivative that gives you the slope
 5 months ago

DecartBest ResponseYou've already chosen the best response.1
the derivative is \[\frac{ 4 }{ x ^{3} }\]
 5 months ago

DecartBest ResponseYou've already chosen the best response.1
plug in the x to get the slope
 5 months ago

Peter14Best ResponseYou've already chosen the best response.0
with a point (x1, y1) and a slope m the equation of a line can be written (yy1)=m(xx1)
 5 months ago

DecartBest ResponseYou've already chosen the best response.1
distribute the 1/2 and then add the three
 5 months ago

SyteeBest ResponseYou've already chosen the best response.0
i got it!!! i have another question
 5 months ago

SyteeBest ResponseYou've already chosen the best response.0
solve the equation 3 cos 2x + 5 sinx =4 for 0 <x<360
 5 months ago

Peter14Best ResponseYou've already chosen the best response.0
you have to simplify it first, use the identity for cos 2x
 5 months ago

Peter14Best ResponseYou've already chosen the best response.0
use the identity for cos 2x
 5 months ago
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