InterviewSolution
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A : Ifx^(2) + y^(2) - 2x + 3y + k = 0 , x^(2) + y^(2) + 8x 0 6y - 7 = 0cut each other orthogonally then k = 10 . R : The circlesx^(2) + y^(2) + 2gx + 2fy + c = 0 , x^(2) + y^(2) + 2g'x + 2f'y + c' = 0cut each other orthogonally iff2gg' + 2ff'= c + c' |
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Answer» Both A and R are true and R is the correct EXPLANATION of A |
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