Question

The pair of equations 3x + 4y + 5 = 0 and 12x + 16y + 15 = 0 have

Answer 1

Answer:

your answer dear........... unique solution

Answer 2

Answer:

here a1=3,b1=4,c1=5

a2=12,b2=16,c2=15

a1/a2=3/12=1/4

b1/b2=4/16=1/4

c1/c2=5/15=1/3

here a1/a2=b1/b2≠c1/c2

so it has no roots