Question

x+1/x=10 ,find the value of x square + 1/ x square​

Answer 1

Square both side.

(X+1/x)^2=(10)^2

X^2+1/x^2+2*x*1/x.=100

X^2+1/x^1+2=100

X^2+1/x^2=98..

Bblegend

Answer 2

(x+1/x)^2=(10)^2
x^2 +1/x^2 + 2×x×1/x =100
x^2+ 1/x^2 =100 -2
=98
so ans is 98



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