Question

if x=3+2√2 find the value of x-1/x

Answer 1

★ Hey mate ★

here is your answer !!


x = 3 + 2 ✓2


1 / x = 1 / 3 + 2 √ 2 × 3 -2✓ 2 / 3 -2 √ 2


=> 1 / x = 3 -2√ 2 / 1


=> 1 / x = 3 - 2 √ 2


x - 1 / x = 3 + 2 √ 2 + 3 - 2 √ 2


x - 1/ x = 6


hence your answer is ★ 6 ★


hope it helps you dear !!
$thanks$

Answer 2

x=3+2√2
1/x=1/3+2√2×3-2√2/3-2√2
1/x=3-2√2


x-1/x=6