Question

16 a square b - 9 b square​

Answer 1

Answer:

we know -:16=(4)^2 & also 9=(3)^2

● □□-: (4a)^2-(3b)^2

$ we know (x^2-y^2=(x+y)(x-y)

therefore, ANS=(4a+3b)(4a-3b)