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A circle passes through P(a,b) and touch...

A circle passes through P(a,b) and touches the x-axis. The locus of the other end of diameter of the circle through P is

A

`(x-a)^(2)=4by`

B

`(y-b)^(2)=4ac`

C

`y^(2)=4b(x-a)`

D

none

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1B(Circle-Line)
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  2. A circle touches x-axis and cuts off a constant length 2l from the y-a...

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  3. A circle passes through P(a,b) and touches the x-axis. The locus of th...

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  4. A rod PQ of length 2a sides with its ends on the axes the locus of the...

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  5. If O=(0,0), A=(1,0) and B=(1//2, sqrt3//2) then the centre of the circ...

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  6. If a chord of the circle x^(2)+y^(2)=8 makes equal intercepts of lengt...

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  7. The circle x^(2)+y^(2)-4x+4y-1=0 cuts the positive coordinate axes in ...

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  8. The interval in which the value of lambda should lie if the line 3x-4y...

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  9. The line x+y=1 cuts the coordinate axes at P and Q and a line perpendi...

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  10. Let x( x-a) + y (y-1) =0 be a circle. If two chords from (a,1) bisec...

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  11. If two distinct chords, drawn from the point (p,q) on the circle x^(2)...

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  12. The point of contact of the line 3x-4y-25=0 with the circle x^(2)+y^2=...

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  13. Show that x + y + 1 = 0 touches the circle x^(2) + y^(2) -3x + 7y 1...

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  14. The piont where the line 4x - 3y + 7 = 0 touches the circle x^(2) + y^...

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  15. If the line y=mx+asqrt(1+m^2) touches the circle x^2+y^2=a^2, then the...

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  16. If the tangent to the circle x^2+y^2=5 at (1,-2) also touches the circ...

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  17. The line y=x+asqrt2 touches the circle x^2+y^2=a^2 at P. The coordinat...

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  18. The length of the tangent from (6,8) to the circle x^(2)+y^(2)=4 is

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  19. Find the length of the tangent form (1,3) to the circle x^(2) + y^(2...

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  20. The length of the tangent from (0,0) to the circle 2x^(2)+2y^2+x-y+5=0...

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