Question

plz answer ? anyone

Answer 1

[( √2 + √2i )^3] ^2

=> [ ( √2) ^3 + ( √2i ) ^3 + 3×√2×√2i ( √2 + √2i )] ^2

=> [ 2√2 - 2√2i + 6i ( √2 + √2i ) ] ^2

=> [ 2√2 - 2√2i + 6√2 i - 6√2]^2

=> [- 4√2 + 4√2i] ^2

=> 32 - 32 - 64i

$\sf{\huge{=>\: -\: 64i}}$