Math, asked by debjit06, 8 months ago

if x+1/x = - 1 then What is the value of x^3-1 ? a) 1 , b) -1 , c) 0 ,d)2​

Answers

Answered by aryan073
3

Step-by-step explanation:

x²+1=-x

x²+x+1=0

x(x+1)+1=0

x=-1

x³-1

(-1)³-1=-1-1=-2 OK friend

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