Question

If x=4 - V15, then find the value of (x + 1/x) power 2​

Answer 1

Answer:

Hi friends

Step-by-step explanation:

here is your answer !!

x = 4 + √ 15

1 / x = 1 / 4 + √ 15 × 4 - √ 15 × 4 - √ 15

1 / x = 4 - √ 15

now ,

( x + 1 / x )²

=> (4 + √ 15 + 4 - √ 15 )²

= (8)²

=> 64

hope it helps you dear !!!

hence your answer is ★ 64 ★

thanks !!