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If the pair of lines ax^2+2(a+b)xy+by^2=...

If the pair of lines `ax^2+2(a+b)xy+by^2=0` lie along diameters of a circle and divide the circle into four sectors such that the area of one of the sectors is thrice the area of another sector then

A

`3a^2+2ab+3b^2=0`

B

`3a^2+10ab+3b^2=0`

C

`3a^2-2ab+3b^2=0`

D

`3a^2-10ab+3b^2=0`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Find the diameter of a circle whose area is 154 cm^(2)

    A
    4 cm
    B
    6 cm
    C
    14 cm
    D
    12 cm

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