Question

rationlise 2root3 - root 5 by 2 root3 + 3 root3​

Answer 1

Answer:

7+3√5/7-3√5*7+3√5/7+3√5

(7+3√5)^2/49-45

49+45+42√5/4

94+42√5/4

Answer 2

Answer:

Please Refer to the above attachment.

Thank you