Question

plz plzplz plz plz solve it correctly. I will mark as brainliest and like your answer too​

Answer 1

Answer:

answer:---227

Step-by-step explanation:

x²+1/x²= (x-1/x)²+2x*1/x

(15)²+2x/x

225+2

227

Answer 2

Sqarring both sides

1. $(x {}^{} + \frac{1}{ {x}^{} } )<strong><em><u>2</u></em></strong></li><li> = {15 }^{2} \\ x {}^{2} + \frac{1}{ {x}^{2} } - 2x \times \frac{1}{x} = 225 \\ {x}^{2} + \frac{1}{ {x}^{2} } - 2 = 225 \\ {x}^{2} + \frac{1}{ {x}^{2} } = 227$