Question

(1/2a-3b)^2 multiply the following and verify the results by taking a = -1 , b = 2 , c = 1 ​

Answer 1

answer:

substitute a = -1, b = 2, c = 1.

=(1/2×-1-3×2)^2

=(-1/2-6)^2

=(-1-3)^2

=4^2

=16

ஃ therefore, 16 is the answer.