Math, asked by AnnieAhmed, 1 year ago

if y+1/y = -2 , then find the value of y to the power 50 - 1/y to the power 50.

Give detailed steps


anuritha: My friend ,isn't it -3
anuritha: Pls check ,if that is the case we can get the answer easily
anuritha: Sorry friend the question is correct

Answers

Answered by anuritha
7
My friend,
Given ,
Y+1/y=-2
Y^2+1/y=-2 (^2 symbol means square)
Therefore,
Y^2+1=-2y
Y^2+2y+1=0
Solving the quadratic equation we get ,
(Y+1)(y+1)=0
Therefore y=-1

Substituting the value we get,
Y^50-1/y^50
=1-1
0 is the answer



anuritha: Pls mark it as brainliest answer
anuritha: Pls fast friend ..
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