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The locus of the middle point of the cho...

The locus of the middle point of the chord of contact of tangents drawn from points lying on the straight line 4x - 5y = 20 to the circle `x^2 + y^2 = 9` is

A

`20(x^(2)+y^(2))-36y+45=0`

B

`20(x^(2)+y^(2))+36x-45y=0`

C

`36(x^(2)+y^(2))-20x+45y=0`

D

`36(x^(2)+y^(2))+20x-45y=0`

Text Solution

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The correct Answer is:
A
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ARIHANT MATHS-CIRCLE -Exercise (Subjective Type Questions)
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  11. The circle passing through (1, -2) and touching the axis of x at (3...

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  12. Circle(s) touching x-axis at a distance 3 from the origin and having a...

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  13. Let C be the circle with centre at (1, 1) and radius = 1. If T is t...

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  14. A circle S passes through the point (0, 1) and is orthogonal to the ci...

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  15. Locus of the image of the point (2, 3) in the line (2x-3y""+""4)""+...

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  16. The number of common tangents to the circles x^(2)+y^(2)-4x-6y-12=0 a...

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  17. The centres of those circles which touch the circle, x^2+y^2-8x-8y-4=0...

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