Question

Expand -
(2m square + 5n square)square​

Answer 1

Answer:

$(2m ^{2} + 5n ^{2} ) ^{2} \\ = (2m {}^{2} ) ^{2} +(5n^{2} ) ^{2} +2 \times 2 {m}^{2} \times 5 {n}^{2} \\ = 4 {m}^{4} + 25 {n}^{4} + 20 { {m}^{2} n}^{2}$