Question

answer the question 12,14 and 15

Answer 1

I hope it help you, please mark me as a brainliest

Answer 2

$14. \: (x + \frac{1}{x}) ^{2}= {x}^{2} + \frac{1}{ {x}^{2} } + 2 \times x \times \frac{1}{x} \\ x + \frac{1}{x} = \sqrt{27 + 2} = \sqrt{29}$
$similarly \: x - \frac{1}{x} = \sqrt{27 - 2} = \sqrt{25} = 5$
$hope \: this \: will \: help \: you$