Question

Expand 1/2 a-1/4 b+2 the whole square

Answer 1

Answer:

gdfjvdtijfdjhfckhdt

Answer 2

(1/4 a - 1/2 b +1)²

=(1/4a)² + (-1/2b)² + (1)² + 2×1/4a×(-1/2b) + 2 ×(-1/2b)×(1) + 2×1×1/4a

=a²/16 + b²/4 + 1 - ab/4 - b + a/2