X^2+1/x^2 ,if x-1/x=2 – InterviewSolution

1.

X^2+1/x^2 ,if x-1/x=2

Answer»

ong>Answer:

2

Step-by-step explanation:

X-1/X = 2

SQUARING BOTH SIDES WE GET,

X^2 + 1/X^2 + 2= (2) ^2

X^2 + 1/X^2 = 4-2

==> X^2 + 1/X^2 = 2

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