Question

If X=root 2-1 find 1/x

Answer 1

Answer:

x= ✓2-1

1/x = 1/✓2-1

= 1/✓2-1 × ✓2+1/✓2+1

= ✓2+1/2-1

= ✓2+1/1

= ✓2+1

hope it helps you

Answer 2

Answer:

Given:- x= √2-1

To find:- 1/x

Solution:-

x= √2-1

1/x= 1/√2-1

= 1/√2-1×√2+1/√2+1 [ on rationalising]

= √2+1/2-1

= √2+1/1

= √2+1

hope it helps you

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