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Which of the following is not true?...

Which of the following is not true?

A

`(y+1/y)^(2)=(y-1/y)^(2)+4`

B

`(y-1/y)^(2)+2=y^(2)+1/(y^(2))`

C

`(y+1/y)^(2)-2=(y-1/y)^(2)`

D

`(y-1/y)^(2)-(y+1/y)^(2)=-(2)^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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