Question

solve method please​

Answer 1

$x + \frac{1}{x} = 15$

Square both sides

${x}^{2} + \frac{1}{ {x}^{2} } + 2 = 225$

${x}^{2} + \frac{1}{ {x}^{2} } = 223........(i)$

Answer 2

yr ans is in attached file

hope it helps you