Question

Q6 If 2x + 3y = 6 and ax + 9y = C
have no common solution, what is
the value of c?​

Answer 1

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Answer 2

Answer:

comparing the equation with a1x+b1y+c1=0 and a2x+b2y+c2=0

we get a1=2, b1=3, c1=(-6), a2=a, b2=9 and c2=-C

if both the equation have no solution then

a1/a2=b1/b2 not equal to c1/c2

so 2/a=3/9 not equal to -6/-C

so 1/2 not equal to 6/C

so C can be any number except 12