Question

write the value of 1\ x if x = √ 2- 1​

Answer 1

$\huge\bold\red{Ello Mate}$

If x = √2-1

Then 1/x = 1/(√2-1)

By rationalizing the denominator,

1/(√2-1)×(√2+1)/(√2+1)

= (√2+1)/(√2)²-(1)²

= √2+1/1 ( answer )

Thanks Ω