Solve this with process – InterviewSolution

1.

Solve this with process

Answer»

Answer:

62

Step-by-step explanation:

X+1/X=8

To FIND:X^2 +1/X^2

Square on both sides

(X+1/X)^2=(8)^2

(X^2+1/X^2+2)=64

X^2+1/X^2=62

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