The two circles {x}^{{2}}+{}{y}^{{2}}={}{a}{x}and {x}^{{2}}+{}

Question

The two circles $x^{2} + y^{2} = a x$ and $x^{2} + y^{2} = c^{2} (c > 0)$ touch each other if :

2 ∣ a ∣ = c

∣ a ∣ = c

a = 2 c

∣ a ∣ = 2 c

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Oliver Discussed

The two circles

x^{2} + y^{2} = a x

and

x^{2} + y^{2} = c^{2} (c > 0)

touch each other if :

9 mins ago

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Question Text	The two circles $x^{2} + y^{2} = a x$ and $x^{2} + y^{2} = c^{2} (c > 0)$ touch each other if :
Answer Type	Video solution: 1
Upvotes	150