Question

expanded form of (4x+y)^2 is?

Answer 1

$\huge\underline\mathbb\color{blue}{Answer}$

Identity : (a+b)²=a²+b²+2ab

${(4x + y)}^{2} = {(4x)}^{2} + {y}^{2} + 2 \times 4x \times y$

${(4x + y)}^{2} = 16 {x}^{2} + {y}^{2} + 8xy$

Answer 2

Answer:

identity use a^2+b^2+2ab

(4x) ^2+(y) ^2+2.4x.y

16x^2+y^2+8xy