Question

Factorisation ( উৎপাদকে বিশ্লেষণ )

whoever solves at least 5 questions properly. I'll mark them as brainiest.​

Answer 1

Answer:

15): question = (6.7+3.3)(6.7-3.3)/(6.7-3.3)

=6.7+3.3=10 Ans

14): question= {(a+b)/2}^2-{3(2a-b)/4}^2

[(a+b)/2 +(3(2a-b)/4][(a+b)/2-{3(2a-b)/4]

It is the identity (a+b)(a-b) = a^2 - b^2