Question

fill in the blanks (2x+y)2​

Answer 1

Answer:

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

Answer 2

Answer:

according to formula : (a+b)2 =a2+b2+2ab

so (2x)2 + (y)2 + 2×2x×b

4x2 + y2 + 4xb