Question

Expand using identity : (a^2 + 2b)
^2​

Answer 1

Answer:

a^4+ 4b^2+ 4(a^2)b

Step-by-step explanation:

(a^2)^2 + (2b)^2+ 2.a^2.2b

=a^4+4b^2+4(a^2)b

Answer 2

$(a {}^{2} + 2b) {}^{2} \\ = >a {}^{4} + 4a {}^{2} b + 4b {}^{2}$