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If a,b,c are in Hp. (a,b,c!=0 point of c...

If a,b,c are in Hp. `(a,b,c!=0` point of concurrence of family of lines `x/a+y/b+1/c=0` is

A

(1,2)

B

(1,-2)

C

(-2,1)

D

(2,1)

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-STRAIGHT LINES-PRACTICE EXERCISE
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  12. If the acute angle between the lines 2x+3y-5=0, 5x+ky-6=0 is pi//4, th...

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  17. The orthocentre of the triangle formed by (1,-3),(6,1),(4,-1) is

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  18. The orthocentre of the triangle whose sides are given by 4x-7y+10=0,x+...

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  19. Circumcentre of the trianlge formed by the points (2,3),(0,1),(4,1) is

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  20. The circumcentre of the triangle formed by the lines x+y-1=0,x-y-1=0,x...

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