Question

please guys solve this question do fst ​

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)

Explanation: