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Line x/a+y/b=1 cuts the coordinate axes ...

Line `x/a+y/b=1` cuts the coordinate axes at `A(a ,0)a n dB(0,b)` and the line `x/a^(prime)+y/b^(prime)=-1` at `A (-a ,)` and `B^(prime)(0,-b^(prime))dot` If the points `A ,B ,A^(prime),B '` are concyclic, then the orthocentre of triangle `A B A '` is `(0,0)` (b) `(0,b^(prime))` `(0,(a a^(prime))/b)` (d) `(0,(bb^(prime))/a)`

A

`(0,0)`

B

`(0,b)`

C

`(0,(-aa)/b)`

D

`(0,("bb"')/a)`

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ARIHANT MATHS ENGLISH-THE STRAIGHT LINES-Exercise (Questions Asked In Previous 13 Years Exam)
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  5. Let P-=(-1,0),Q-=(0,0), "and " R-=(3,3sqrt(3)) " be three points". T...

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  7. The lines p(p^2+1)x-y+q=0 and (p^2+1)^2x+(p^2+1)y+2q=0 are perpendicul...

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  9. A straight line L through the point (3,-2) is inclined at an angle 60^...

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  10. The line L1:""y""-""x""=""0 and L2:""2x""+""y""=""0 intersect the line...

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  11. If the line 2x+y=k passes through the point which divides the line seg...

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  12. A ray of light along x+sqrt(3) y = sqrt(3) gets reflected upon reachin...

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  13. For a gt b gt c gt 0, the distance between (1, 1) and the point of int...

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  14. Let P S be the median of the triangle with vertices P(2,2),Q(6,-1)a...

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  15. Let a, b, c and d be non-zero numbers. If the point of intersection of...

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  16. For a point P in the plane, let d(1)(P) " and " d(2)(P) be the distanc...

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  18. Two sides of a rhombus are along the lines x-y+1=0 and 7x-y-5=0. If it...

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