Distances form the origin to the centres of the three circles \[{{x}^{2}}+{{y}^{2}}-2{{\lambda }_{i}}x={{c}^{2}}\] (where c is constant and i= 1, 2, 3) are in GP. Then the lengths of tangents drawn from any point on the circle \[{{x}^{2}}+{{y}^{2}}={{c}^{2}}\] to these circles are in

Distances form the origin to the centres of the three circles \[{{x}^{

1.	Distances form the origin to the centres of the three circles \[{{x}^{2}}+{{y}^{2}}-2{{\lambda }_{i}}x={{c}^{2}}\] (where c is constant and i= 1, 2, 3) are in GP. Then the lengths of tangents drawn from any point on the circle \[{{x}^{2}}+{{y}^{2}}={{c}^{2}}\] to these circles are in
A.	A.P.
B.	GP.
C.	H.P.
D.	None
Answer» C. H.P.

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Distances form the origin to the centres of the three circles \[{{x}^{2}}+{{y}^{2}}-2{{\lambda }_{i}}x={{c}^{2}}\] (where c is constant and i= 1, 2, 3) are in GP. Then the lengths of tangents drawn from any point on the circle \[{{x}^{2}}+{{y}^{2}}={{c}^{2}}\] to these circles are in

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