Question

64x²+16x+1=किती?
(8x+4)²
(4x+1)²
(8x+1)²
(16x+8)²

Answer 1

Solution:

64x²+16x+1

= (8x)²+2*8x*1+1²

= (8x+1)²

/* a²+2ab+b²=(a+b)²*/

Therefore,

(8x+1)² is correct answer.

••••

Answer 2

Hey!

Refer the below attachment !

Thanks!