x+1/x=-2 then x^4+1/x^3=?
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x^2 + 1 = - 2x
x^2 + 2x + 1 = 0
(x+1)^2 = 0
x=-1
x^4+1/x^3 = 1 + (-1) = 0.
x^2 + 2x + 1 = 0
(x+1)^2 = 0
x=-1
x^4+1/x^3 = 1 + (-1) = 0.
sagnikroy47:
wrong answer
it will be 0
ok sorry i will try it again
Answered by
1
here is ur answer :)
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