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Find the number of possible common tan...

Find the number of possible common
tangents that exist for the following pairs
of circles.
`x^(2) + y^(2) = 4, x^(2) + y^(2) - 6 x - 8y + 16 = 0`

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The correct Answer is:
`3`
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Find the number of possible common tangent that exits for the following pairs of circle. (a) x^(2) + y ^(2) -4x -2y +1= 0, x^(2) +y^(2) -6x -4y +4=0 (b) x^(2) + y ^(2) -4 x + 2y -4=0 , x^(2) + y ^(2) + 2x - 6y + 6=0

Find the number of possible common tangents of following pairs of circles (i) x^(2)+y^(2)-14x+6y+33=0 x^(2)+y^(2)+30x-2y+1=0 (ii) x^(2)+y^(2)+6x+6y+14=0 x^(2)+y^(2)-2x-4y-4=0 (iii) x^(2)+y^(2)-4x-2y+1=0 x^(2)+y^(2)-6x-4y+4=0 (iv) x^(2)+y^(2)-4x+2y-4=0 x^(2)+y^(2)+2x-6y+6=0 (v) x^(2)+y^(2)+4x-6y-3=0 x^(2)+y^(2)+4x-2y+4=0

AAKASH SERIES-CIRCLE-EXERCISE -1.4
  1. The area of the quadrilateral formed by the tangents from the point (4...

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  2. Discuss the relative position of the fol- lowing pair of circles. ...

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  3. Discuss the relative position of the fol- lowing pair of circles. ...

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  4. Find the number of possible common tangents that exist for the follo...

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  5. Find the number of possible common tangents that exist for the follo...

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  6. Find the number of possible common tangents that exist for the follo...

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  7. Show that the circles x^(2) +y^(2) -4x-6y-12=0 and 5(x^(2)+y^(2))-...

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  8. Show that the circles x^(2) + y^(2) -6x -2y + 1=0 , x ^(2) + y^(2) + ...

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  9. Show that the circles x^(2) + y^(2)-4x-6y-12=0 and x^(2) +y^(2) +...

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  10. Find the equation of the circle which touches the circle x^(2) + y^(...

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  11. Show that the circles x^(2) + y^(2) -6x -2y + 1=0 , x ^(2) + y^(2) + ...

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  12. Show that the four common tangents can be drawn for the circles give...

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  13. Prove that the circles x^(2) + y^(2) -8x -6y +21=0 and x^(2) + y^(2) ...

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  14. Find the direct common tangents of the circles x^(2) + y^(2) +22x -4y...

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  15. Find the transberes common tangents of the circles x^(2) + y^(2) -4...

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  16. Find all common tangents of the pairs of circles x^(2) +y^(2) =0 a...

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  17. Find all common tangents of the pairs of circles x^(2) +y^(2) =0 a...

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  18. Let A be the centre of the circle x^(2)+y^(2)-2x-4y-20=0. Suppose that...

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  19. Find the value of c for which A(2,0),B(0,14//3) ,C(4,5) and D(0,c) a...

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  20. The area of the quadrilateral formed by the tangents from the point (4...

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