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The equations ax+by+c=0 and dx+ey+f=0 r...

The equations `ax+by+c=0` and `dx+ey+f=0` represent the same straight line if and only if

A

`(a)/(d)=(b)/(e)`

B

c=f

C

`(a)/(d)=(b)/(e)=(c)/(f)`

D

a=d, b=e, c=f

Text Solution

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The correct Answer is:
C
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