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The condition that the lines ax+hy+g=0, ...

The condition that the lines `ax+hy+g=0, hx+by+f=0, gx+fy+c=0` to be con-current is

A

`a+b+c=0,f+g+h=0`

B

`a+b+c=f+g+h`

C

`abc+2fgh-af^(2)-bg^(2)-ch^(2)=0`

D

`(a+b+c)(f+g+h)=0`

Text Solution

Verified by Experts

The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-STRAIGHT LINES -EXERCISE 1B
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  10. If the point of intersection of kx+4y+2=0, x-3y+5=0 lies on 2x+7y-3=0 ...

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  13. If the lines x+ay=a=0, bx+y+b=0, cx+cy+1=0 (a,b,c being distinct and !...

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  18. The equation of the line passing through the point of intersection of ...

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