Question

rationalise the following denominator please please please urgently answer​

Answer 1

1) 1/√7-√6

1/√7-√6×√7+√6/√7+√6

√7+√6/√7^2-√6^2. (by a^2-b^2

√7+√6/7-6

√7+√6/1

2) 1/√5+√2

1/√5+√2×√5-√2/√5-√2

√5-√2/√5^2-√2^2(bya^2-b^2

√5-√2/5-2

√5-√2/3

please follow me