JEE MATHEMATICS MCQ: CIRCLES

1 Easy

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Analyzing +4 | -1

If two circles

a\left(x^2+y^2\right)+b x+c y=0

and

A\left(x^2+y^2\right)+B x+C y=0

touch each other then

View answer and explanation

Correct option: B

b C=c B

Option B (

b C=c B

) is correct because the circles touch each other if they have a common tangent at the origin, leading to the given condition.

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9 \pi