Question

rationalise the denominator of the following 1 by under root 7​

Answer 1

Step-by-step explanation:

1/√2

the...

1/√2 × √2/√2 = √2 /2

Answer 2

Step-by-step explanation:

1/√7

1/√7=1/√7×√7/√7

=√7/(√7)²

root and square get cancelled.

so,

=√7/7.

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