Question

√5+1/√5-1 + √7-√3/√7+√3 rationalise the denominators​

Answer 1

Step-by-step explanation:

(1)

7

1

=

7

1

×

7

7

( multiplying and dividing by

7

)

=

7

7

(2)

7

−

6

1

=

7

−

6

1

×

7

+

6

7

+

6

(multiplying and dividing by

7

+

6

)

=

7−6

7

+

6

=

7

+

6

(3)

5

+

2

1

=

5

+

2

1

×

5

−

2

5

−

2

(multiplying and dividing by

5

−

2

=

5−2

5

−

2

=

3

5

−

2

(4)

7

−2

1

=

7

−2

1

×

7

+2

7

+2

(multiplying and dividing by

7

+2)

=

7−4

7

+2

=

3

7

+2