Q.

if a1a2=b1b2c1c2 in equations a1x+b1y+c1=0 ;a2x+b2y+c2=0 then the equations having ___solution  

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a

2

b

1

c

No solution

d

Infinite

answer is C.

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Detailed Solution

if a1a2=b1b2c1c2 in equations a1x+b1y+c1=0 ;a2x+b2y+c2=0 then the equations having no solution  
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if a1a2=b1b2≠c1c2 in equations a1x+b1y+c1=0 ;a2x+b2y+c2=0 then the equations having ___solution