Question

rationalise thé dénominator 1/√6+√5​

Answer 1

1/√6 + √5 × √6 - √5/√6-√5

√6 - √5 / 6 - 5

√6 - √5 / 1

√6 - √5

Answer 2

1/ √6+√5 × √6-√5/√6-√5

√6-√5/6-5

√6-√5/1

so the denominator is 1 which is a rational number