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The number of common tangents to the cir...

The number of common tangents to the circles `x^(2) + y^(2) = 4` and `x^(2) +y^(2) - 6x - 8y -24 =0` is,

A

0

B

1

C

3

D

4

Text Solution

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The correct Answer is:
B
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MODERN PUBLICATION-CIRCLES AND SYSTEMS OF CIRCLES -MCQs LEVEL - II
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  3. The number of common tangents to the circles x^(2) + y^(2) = 4 and x^(...

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  7. The equation of the family of circles, which same radical axis, as the...

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  8. If one of the circles: x^2+y^2 +2ax+c=0 and x^2+y^2 + 2bx+c=0 lies wi...

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  9. The radius of the smallest circle, which passes through the points of ...

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  10. The equation of the four circles are (x pm a)^2 + (y pm a)^2 = a^2. Th...

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  11. The circles : x^2+y^2 +2g1x-a^2 =0 and x^2+y^2 +2g2x-a^2=0 cut each ot...

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  12. If the circle x^2+y^2+2gx+2fy+c=0 bisects the circumference of the cir...

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  13. Let AB be a chord of the circle x^2+y^2=a^2 subtending a right angle ...

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  14. Locus of centroid of the triangle whose vertices are (a cos t, a sin t...

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

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

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  17. If the pair of lines ax^2 +2 (a + b) xy + by^2 =0 lie along diameters ...

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  18. If the lines 3x - 4y - 7 = 0 and 2x - 3y - 5 = 0 are two diameters of ...

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  19. Let 'C' be the circle with centre (0,0 ) and radius 3 units. The equat...

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