Question

Tentukan invers dari x-2y=-12 dan 5x+4y=10

Answer 1

X-2y=-12
x = 2y - 12

unt x - 2y = -12
f(x) = (x+12)/2
f^-1(x) = 2x - 12 ( invesnya)

5x+4y=10
y = (-5x+10)/4
x = (-4y+10)/5
f(x) = (-5x+10)/4
f^-1(x) = (-4x+10)/5 (invesnya)