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From the point P(2, 3) tangents PA,PB ar...

From the point P(2, 3) tangents PA,PB are drawn to the circle `x^2+y^2-6x+8y-1=0`. The equation to the line joining the mid points of PA and PB is

A

x-7y+7=0

B

x+7y-5=0

C

x+7y+5=0

D

x-7y+5=0

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-SYSTEM OF CIRCLES-Exercise-II (Class work)
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  2. If P and Q are the Points of intersection of the circles x^2 + y^2 + 3...

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  3. From the point P(2, 3) tangents PA,PB are drawn to the circle x^2+y^2-...

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  4. The common chord of x^2 + y^2 - 4x - 4y = 0 and x^2 + y^2 = 16 substen...

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  6. The centres of the circles are (a, c) and (b, c) and their radical axi...

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  7. (a,0) and (b, 0) are centres of two circles belonging to a co-axial sy...

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  8. If the circles x^2 + y^2 + 2ax + cy + a =0 and x^2 + y^2 - 3ax + dy - ...

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  9. The radical centre of the circles x^2+y^2-x+3y-3=0 , x^2+y^2-2x+2y-2=0...

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  10. The centre of the circle orthogonal to the circles x^2+y^2+4y+1=0 , x^...

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  11. The point from which the tangents to the circles x^2+y^2-8x+40=0, 5x^2...

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  12. You are given n ( ge 3) circles having different radical axes and rad...

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  13. If A, B, C are the centres of three circles touching mutually external...

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  14. The radical centre of the three circles described on the three sides o...

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  15. ABC is a triangle. The radical centre of the circles with AB, BC, CA a...

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  16. A, B, C are the centres of three circles of equal radii which donot to...

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  17. A,B,C are the centres of the three circles C1,C2,C3 such that C1,C2 ...

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  18. The slope of the radical axis of the circles x^2+y^2+3x+4y-5=0 and x^2...

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  19. The distance of the point (1,-2) from the common chord of the circles ...

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  20. The length of the common chord of the circles x^(2) + y^(2) + 2x + ...

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