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anonymous

  • 5 years ago

the circle C has eqn (x-3)^2+(y-4)^2=25 and the eqn of tangent at the point (6,8) is y=4/3 x ......calculate the co-ordinates of the point of intersection of C with the straight line y=2x+3

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  1. anonymous
    • 5 years ago
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    put y=2x +3 in the equation of circle to get the values of y

  2. anonymous
    • 5 years ago
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    (x^2+9 - 6x) +(2x-1)^2 =25

  3. anonymous
    • 5 years ago
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    x= -1, 3 on solving

  4. anonymous
    • 5 years ago
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    now put these values in y

  5. anonymous
    • 5 years ago
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    fan me pls if u like answer

  6. anonymous
    • 5 years ago
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    already fanned u

  7. anonymous
    • 5 years ago
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    thanx

  8. anonymous
    • 5 years ago
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    the points P and Q have position vectors relative to the origin O given respectively by p=-i+6j and q=3i+8j.....a)calculate in degrees the size of the acute angle between p and q...b)calculate the area of triangle POQ

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spraguer (Moderator)
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