Question

Rationalise the dr of 1/√3-√5

Answer 1

Answer:

$\frac{ \sqrt{3} + \sqrt{5} }{ - 2}$

Step-by-step explanation:

$\frac{1}{ \sqrt{3} - \sqrt{5} } \\ = \frac{1}{ \sqrt{3} - \sqrt{5}} \times \frac{\sqrt{3} + \sqrt{5}}{ \sqrt{3} + \sqrt{5}} \\ = \frac{ \sqrt{3} + \sqrt{5} }{3 - 5} \\ = \frac{ \sqrt{3} + \sqrt{5} }{ - 2}$

Answer 2

Answer:

hope it will help

Step-by-step explanation:

1÷√3-√5

1×√3+√5÷(√3-√5)(√3+√5)

√3+√5÷ (√3)²-(√5)²

√3+√5 ÷ 3-5

√3+√5 ÷ -2