Math, asked by pranavkale2002, 11 months ago

if line 3x-ay-1=0 is parallel to (a+2)x-y+3=0 find- a​

Answers

Answered by bodakuntalacchanna
3

Answer:

Given that,

3x-ay-1=0 and (a+2)x-y+3=0

To which the equations are parallel

a1/a2=b1/b2≠c1/c2

3/a+2=-a/-1

3(-1)=-a(a+2)

-3=-a²-2a

+2a-3=0

+3a-a-3=0

a(a+3)-1(a+3)

(a+3) (a-1)

a=-3 or a=1

when a=-3 or 1 the given equations represent parallel lines.

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