Question

03
Find
64m²(25a² +49b² +70 ab)
​

Answer 1

Answer:

We know 49a

2

+70ab+25b

2

=(7a)

2

+2(7a)(5b)+(5b)

2

We know that x

2

+2xy+y

2

=(x+y)

2

Here x=7a and y=5b

Therefore, 49a

2

+70ab+25b

2

=(7a)

2

+2(7a)(5b)+(5b)

2

=(7a+5b)

2

=(7a+5b)(7a+5b)