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The square of the length of tangent from...

The square of the length of tangent from (3, –4) on the circle `x^(2) + y^(2) – 4x – 6y + 3 = 0`

A

20

B

30

C

40

D

50

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-CIRCLE-Exercise - 2(Level - I) (Objective Problems | JEE Main)
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  7. The chord of contact of tangents from three points P, Q, R to the circ...

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  8. If the circle x ^(2) + y^(2) + 2gx + 2fy+ c=0 touches X-axis, then

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  9. A pair of tangents are drawn from the origin to the circle x^2+y^2+20(...

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  10. Find the equation of the pair of tangents drawn to the circle x^2 + y^...

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  11. If the circle x^2+y^2 +4x+22y + c = 0 bisects the circumference of the...

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  12. The lenght of the common chord of circles x^2+y^2-6x-16=0 and x^2+y^2-...

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  13. If circles x^(2) + y^(2) + 2g(1)x + 2f(1)y = 0 and x^(2) + y^(2) ...

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  14. If two circles (x-1) ^(2) + (y-3) ^(2) =r^(2)and x ^(2) +y^(2) -8x +2y...

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  15. If the circles x ^(2) +y^(2) +2ax+cy+a=0 and x ^(2) +y^(2) -3ax+dy-1=0...

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  16. If a circle passes through the point (a,b) and cuts the circle x ^(2) ...

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  17. The equation of the circle which passes through (2a, 0) and has the ra...

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  18. Find the equation of the circle which cuts the three circles x^2+y^2-3...

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  19. A variable circle passes through the fixed point A(p,q) and touches t...

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  20. Let C be the circle with centre (0, 0) and radius 3 units. The equatio...

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