Question

please solve these
please help​

Answer 1

Answer:

#a

__6root 5(2 root 3) - 6 root 5 (4 root 5) - 5 root 3 ( 2root 3) + 5 root 3 ( 4 root 5)

(2root 3) ^2 -(4 root) ^2

12 root 15 - 120-30+20 root 15

Step-by-step explanation:

used or applied formula:- (a-b) (a+b) = a^2 - b^2

hope you understand

thank you