Question

if x= root 3- root 2 find the value of (x-1/x)²

Answer 1

The right answer is 4.
Actually, it's 3-2+2+1=4.
Sorry for the error.

Answer 2

heya,,,☺

it's too easy yr .

x=√3-√2

1/x=1/√3-√2×√3+√2/√3+2. 【rationalize】

then,1/x=√3+√2/1

now putting on your question..

(x+1/x)^2

=(√3-√2+√3-√2)^2

=(2√3)^2

=4×3

=12.Answer.


hope it help you.

@rajukumar☺1