AP and TS EAMCET Engineering Model Paper 17

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Question : 55 of 160
 
Marks: +1, -0
A(2, 3) and B(-7, -12) are conjugate points w.r.t. S≡x2+y2− 6x−8y−1=0. The angle between the circle S = 0 and the circle having AB as diameter is
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