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Find the number of common tangents th...

Find the number of common tangents that can be drawn to the circles `x^2+y^2-4x-6y-3=0` and `x^2+y^2+2x+2y+1=0`

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
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OBJECTIVE RD SHARMA-CIRCLES-Exercise
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  2. Equation of a circle with centre(4,3) touching the circle x^2+y^2=1

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  3. Find the number of common tangents that can be drawn to the circles...

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  4. If 3x+y=0 is a tangent to a circle whose center is (2,-1) , then find ...

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  5. Find the condition if the circle whose equations are x^2+y^2+c^2=2a x ...

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  6. The distance between the chords of contact of tangents to the circle x...

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  7. The condition that the chord xcosalpha+ysinalpha=p=0 of x^2+y^2-a^2=0 ...

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  8. The locus of the centres of the circles which touch x^2+y^2=a^2 and x^...

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  9. Let P be a point on the circle x^2+y^2=9,Q a point on the line 7x+y+3=...

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  10. Two lines through (2, 3) from which the circle x^2+y^2 =25 intercepts ...

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  11. A line meets the coordinate axes at A and B . A circle is circumscribe...

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  12. Find the co-ordinate of the point on the circle x^2+y^2-12x-4y +30=0, ...

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  13. If the angle of intersection of the circle x^2+y^2+x+y=0 and x^2+y^2+x...

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  14. Find the equation of the circle whose radius is 5a n d which touches t...

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  15. A B is a diameter of a circle and C is any point on the circle. ...

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  16. The locus of the mid point of a chord of the circle x^2+y^2=4 which su...

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  17. The point of which the line 9x + y - 28 = 0 is the chord of contact of...

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  18. If the tangents are drawn to the circle x^2+y^2=12 at the point where ...

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  19. If the straight line x - 2y + 1 = 0 intersects the circle x^2 + y^2 = ...

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  20. If the chord of contact of the tangents drawn from the point (h , k) t...

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