Question

Please Solve The Question.

Answer 1

Dx = (-1)*(-3) - (12*a) = 3
3-12a = 3
-12a = 3 + 3
-12a = 6
a = 6/-12
. : a =-1/2

Dy = (1*12) - (b*-1)
12 -(-b) = -2
12 + b = -2
b = -2 -12
.: b = -14