Ifthe equation fo two circles whose radii are a, a ' areS = 0 and S^' = 0, then show that circles S/a + (S^')/(a^') = 0 and S/a - (S^')/(a') = 0 intersect orthogonally.

Ifthe equation fo two circles whose radii are a, a ' areS = 0 and S^'

1.	Ifthe equation fo two circles whose radii are a, a ' areS = 0 and S^' = 0, then show that circles S/a + (S^')/(a^') = 0 and S/a - (S^')/(a') = 0 intersect orthogonally.
Answer» ANSWER :`= (d^2 - AA') + (d^2 + aa') = 2d^2`

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Ifthe equation fo two circles whose radii are a, a ' areS = 0 and S^' = 0, then show that circles S/a + (S^')/(a^') = 0 and S/a - (S^')/(a') = 0 intersect orthogonally.

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