Question

Q.21 Rationalize the denominator
1
√7-v6​

Answer 1

Answer:

1/√7-√6

Explanation:

1/√7-√6×(√7+√6/√7+√6)

=√7+√6/(√7)²-(√6)²

=√7+√6/7-6

=√7+√6/1

Ans=√7+√6

Answer 2

Answer:

We need to rationalise

7

1

Multiply numerator and denominator by

7

, we get

=

(

7

×

7

1(

7

)

=

7

7