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OpenStudy (anonymous):
What is the maximum number of possible solutions for the system shown below? x^-4y^=64 x^2+y^2=36 A.2 B.3 C.1 D4
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OpenStudy (turingtest):
x^-4y^=64 has no meaning, where are the exponents?
OpenStudy (anonymous):
x^2-4y^2 sorry..
OpenStudy (turingtest):
As far as I know there are 2 possible solutions to this system, though I've not studied non-linear systems very thoroughly.
OpenStudy (anonymous):
I think its 4..
OpenStudy (turingtest):
hold on, I know how to make sure...
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OpenStudy (anonymous):
thank you!
OpenStudy (turingtest):
you are right, there are 4 http://www.wolframalpha.com/input/?i=solve+x%5E2-4y%5E2%3D64%2Cx%5E2%2By%5E2%3D36 and they are all imaginary... Thanks for helping me learn something :D
OpenStudy (anonymous):
YAY :)
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