Question

if x-1/x=-1,find the value of x²+1/x²​

Answer 1

Answer:

Hi ,

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It is given that ,

x - 1/x = 1 ------( 1 )

Do the square of equation ( 1 ) , we

get ,

( x - 1/x )² = 1²

x ² + 1/x² - 2 × x × 1/x = 1

x² + 1/x² - 2 = 1

x² + 1/x² = 1 + 2

x² + 1/x² = 3

I hope this helps you.

: )

Step-by-step explanation: