Question

If x+1/x=8,then find the value of x square + 1/x square.

Answer 1

62 will be the answer .



hope it helps!!

thanks

Answer 2

x+2/x=8

then

(x+1/x)2=x2+1/x2+2*x*2/x

(8)2=x2+1/x2+2

64-2 =x2+1/x2

x2+1/x2=62