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The length of the tangent from a point o...

The length of the tangent from a point on `x^(2)+y^(2)+8x+8y-4=0` to `2x^(2)+2y^(2)+16x+16y+1=0` is

A

3

B

`3/2`

C

`3/(sqrt(2))`

D

`3sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-CIRCLES-PRACTICE EXERCISE
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  4. If the length of the tangent from (f,g) to the circle x^(2)+y^(2)=6 be...

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  5. If the square of the length of the tangents from a point P to the circ...

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  6. If the length of the tangent from (1,2) to the circle x^(2)+y^2+x+y-4=...

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  7. A tangent to the circle x^(2)+y^(2)=4 meets the coordinate axes at P a...

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  8. The locus of the point of intersection of tangents to the circle x=a c...

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  9. The circle with centre (2,3) touching x-axis has the radius equal to

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  10. Circle touching y-axis and centre (3,2) is

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  11. The equation of the circle touching both the axes, lying in the third...

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  12. The x intercept of the circle x^(2)+y^(2)+8x-9=0 is

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  13. x^(2)+y^(2)-14x-10y+24=0 makes an

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  14. If x^(2)+y^(2)+6x+2ky+25=0 to touch y-axis then k=

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  15. A circle passes through (-2,4) and touches the y-axis at (0,2). Which ...

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  16. If I(1),I(2),I(3) are the intercept on x-axis, y-axis, y=x w.r.t x^(2)...

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  17. If a circle of radius 4 touches x-axis at (2,0) then its centre may be

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  18. The equation of the circle touching the coordinate axes the line x+2=0...

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  19. Two circles touching both the axes intersect at (3,-2) then the coordi...

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