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If Q is the harmonic conjugate of P w.r....

If Q is the harmonic conjugate of P w.r.t. A, B and AP = 2, AQ = 6 then AB =

A

5

B

1

C

3

D

2

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • The harmonic conjugate of (7, 5) w.r.t (4, 2), (9, 7) is

    A
    (2, 5)
    B
    (-3, 2)
    C
    (-8, -14)
    D
    (19, 17)

  • Let A(1,-1,3), B(2,3,5) is divided by p in the ratio 3:2 internally then harmonic conjugate of P w.r.t to A, B is

    A
    (2,13,3)
    B
    (2,-13,3)
    C
    (-2,13,-3)
    D
    (-2,-13,-3)

  • The harmonic conjugate of (2,3,4) w.r.t the points (3,-2,2) ,(6,-17,-4) is

    A
    `(18//5,-5,4//5)`
    B
    (11,-16,2)
    C
    (1/2,1/3,1/4)
    D
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