Question

Rationalise 7+3root5 over 7-3root5​

Answer 1

Step-by-step explanation:

7+3√5/7-3√5

7+3√5/7-3√5× 7+3√5/7+3√5

49+45+42√5/49-45

94+42√5/4

2(47+21√5)/4

47+21√5/2 Ans

Hope it helps u friend!