Question

if a=(3√5-7√3),b=(5√3+7√5)​

Answer 1

Answer:

a=(3√5-7√3),b=(5√3+7√ 5). find a+b,a-b. 1. See answer.

Answer 2

Answer:

a+b=10√5-2√3

a-b= -4√3-12√3