Question

If x = √2 – 1, then write the value of 1/x. Solution:

Answer 1

Answer:

Solution:

x = √2 – 1

or 1/x = 1/(√2 – 1)

✔️Rationalising denominator, we have

= 1/(√2 – 1) x (√2 + 1)/(√2 + 1)

= (√2 + 1)/(2-1)

= √2 + 1

${}$

Answer 2

Answer:

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