Question

rationalise 5/ √3-√5​

Answer 1

5

√3-√5

5 × √3+√5

√3-√5 √3+√5

5×(√3+√5)

(√3)²-(√5)² As{ (a+b)(a-b)= a²-b²}

5×√5+√3

3 - 5

5×√5+√3

-2

-5 (√5+√3)

2