Question

if x=
$2 + \sqrt{3}$
find the value of
${x}^{3} + \frac{1}{ {x}^{3} }$

Answer 1

Hey There!

The answer is in the image.

The identities used are:

• a³+b³ = (a+b)(a²-ab+b²)
• (a+b)² = a²+2ab+b²
• (a-b)² = a²-2ab+b²


Hope it helps,
Purva
Brainly Community

Answer 2

hope it will help you..