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anonymous
 4 years ago
solve
3x^25x11=0
find the x intersepts of f(x)=3x^25x11.
anonymous
 4 years ago
solve 3x^25x11=0 find the x intersepts of f(x)=3x^25x11.

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Hero
 4 years ago
Best ResponseYou've already chosen the best response.4\[D = b^2  4ac = (5)^2  4(3)(11) = 25 + 132 = 157\]

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4\[x = \frac{\pm \sqrt{157} + 5}{6}\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0@Hero that's the answer i got,dat's why i called it a complex root

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0@krypton : square root of a negative number gives you a complex number solution

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.0any number is complex

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.04 is complex 4i is complex 4+4i is complex

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0why do we have real and complex sets then ?

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.0real numbers is a subset of the complex imaginary numbers is a subset of the complex

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.0all numbers are complex

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0If a complex number has b = 0, then it is a real number and it lies on the real axis in the complex plane

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.0Definition of Complex: \[Complex =\{a+bi  a \in \mathbb{R} , b \in \mathbb{R}\}\]

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4Define complex in words only without using mathematical notation.

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4What a meant to say is that the discriminant yields a real number, not a complex number. The definition of a complex number is a + bi

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0The real line can be thought of as a part of the complex plane, and correspondingly, complex numbers include real numbers as a special case.

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4That's good to know. I'm not the one confused about it.

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.0I'm not confused either.

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4I know you're not myininaya. I never said you were :P

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0def : A complex number is neither purely real nor purely imaginary, but rather is a composite of the two ! Happy everyone ?

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.0Ok I guess I just understood you. sorry hero. :)

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.0misunderstood you* lol

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.0real numbers are complex imaginary numbers are complex real numbers+imaginary numbers are still complex

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4she avoided using the word "pure" in her definitions.

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4So myininaya, which numbers are purely complex?

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.0I don't have a definition for "purely" complex numbers as I never heard of any set of numbers being defined at such sorry

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0check out this book : An imaginary tale The Story of √1 by Paul J. Nahim ( Professor Emeritus of Electrical Engineering at the University of New Hampshire )

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4Guess there's no such thing as a pure complex number since it is a "mixture" of pure real and pure imaginary.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.04 is real 4+0i is complex

myininaya
 4 years ago
Best ResponseYou've already chosen the best response.04/2 is an integer just like 2 is

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4Why are you two reciting stuff you already know? Because I already know this stuff

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1331351848500:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0this is interesting ... LOL

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4mathg8, I guess you really want krypton to understand

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I just never heard this before ... so it is interesting ( not wrong or right ) just interesting ...

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0real numbers are complex ( i meant this statement )

Hero
 4 years ago
Best ResponseYou've already chosen the best response.4Krypton, I'm sure you enjoyed this

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0lol yeah! alot,just woke up from sleep and logged in,only to find some argument in here.was fun :)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yes ... this was fun!
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