UPSEE Solved Model Paper 5

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Question : 148 of 150
 
Marks: +1, -0
Directions: Read the fallowing questions and choose: Statement 1: Condition of orthogonality of the circles x2+y2+2gx+2f1y+c1 = 0 and x2+y2+2g2x+2f2y+c2 = 0 is 2g1g2+2f1f2 = c1+c2.
Statement 2 : Angle between the two circles whose distance between the centres is d and radii r1,r2 given by tan θ =
d2−r12−r22
2r1r2

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