Find the condition if the circle whose equations are `x^2+y^2+c^2=2a x`and `x^2+y^2+c^2-2b y=0`touch one another externally.A. `(1)/(b^(2))+(1)/(c^(2))=(1)/(a^(2))`B. `(1)/(c^(2))+(1)/(a^(2))=(1)/(b^(2))`C. `(1)/(a^(2))+(1)/(b^(2))=(1)/(c^(2))`D. none of these

Find the condition if the circle whose equations are `x^2+y^2+c^2=2a x

1.	Find the condition if the circle whose equations are `x^2+y^2+c^2=2a x`and `x^2+y^2+c^2-2b y=0`touch one another externally.A. `(1)/(b^(2))+(1)/(c^(2))=(1)/(a^(2))`B. `(1)/(c^(2))+(1)/(a^(2))=(1)/(b^(2))`C. `(1)/(a^(2))+(1)/(b^(2))=(1)/(c^(2))`D. none of these
Answer» Correct Answer - C

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Find the condition if the circle whose equations are `x^2+y^2+c^2=2a x`and `x^2+y^2+c^2-2b y=0`touch one another externally.A. `(1)/(b^(2))+(1)/(c^(2))=(1)/(a^(2))`B. `(1)/(c^(2))+(1)/(a^(2))=(1)/(b^(2))`C. `(1)/(a^(2))+(1)/(b^(2))=(1)/(c^(2))`D. none of these

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