The pair of equations ax + 2y = 7 and 3x + by = 16 represent parallel lines if
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Answer:
a=2:b=3
or
a=1 : b=6
Step-by-step explanation:
ax+2y=7
ax+2y-7=0--------(1)
3x+by=16
3x+by-16=0---------(2)
a1/a2==b1/b2=/=c1/c2 (parallel lines)
a/3==2/b=/=-7/-16
a/3=2/b
a=2 : b=3
or
a=1 : b=6
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