Question

Rationalise the donominator
³/3+√7

Answer 1

Answer:

(9-3√7)/2

Step-by-step explanation:

3/(3+√7)

={3×(3-√7)}/(3+√7)(3-√7)

=(9-3√7)/{(3)²-(√7)² [a²-b²=(a+b)(a-b)]

=(9-3√7)/(9-7)

=(9-3√7)/2

Hope it helps!