Question

x plus one upon x is equal to 10 find the value of x square + 1 upon x square

Answer 1

$given \: \: x + \frac{1}{x} = 10 \\ {x}^{2} + \frac{1}{ {x}^{2} } = {(x + \frac{1}{x} )}^{2} - 2 \\ = {10}^{2} - 2 = 98$

Answer 2

Answer:

x*2+1/x*2=8

Hope it helps you!