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Two circles are centred at (2, 3) and (5...

Two circles are centred at (2, 3) and (5, 6,) which intersect each other. If the radii are equal, the equation of the common chord is:

A

x-y-8=0

B

x+y-8=0

C

x-y+1=0

D

x+y+1=0

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Two circles centered at (2,3) and (5,6) intersect each other. If the radii are equal, the equation of the common chord is

    A
    `x-y+1=0`
    B
    `x+y+1=0`
    C
    `x-y-8=0`
    D
    `x+y-8=0`

  • Two circles of radii 6.9 cm and 2.8 cm touch each other externally.Then the distance between their centres is:

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    3.45 cm
    B
    1.4 cm
    C
    4.1 cm
    D
    9.7 cm

  • Two circles of radii 4 cm and 3cm touch each other then the distance between their centres will be:

    A
    7cm
    B
    1cm
    C
    Either 7cm or 1cm
    D
    0cm

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