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Find the locus of the centre of the circ...

Find the locus of the centre of the circle which cut the circles `x^2+y^2+4x-6y+9=0` and `x^2+y^2-4x+6y+4=0` orthogonally (a) `9x+10y-7=0` (b) `8x-12y+5=0` (c) `9x-10y+11=0` (d) `9x+10y+7=0`

A

8x+12y-5=0

B

8x-12y+5=0

C

4x-6y+5=0

D

4x-6y+3=0

Text Solution

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The correct Answer is:
B
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