JEE MATHEMATICS MCQ: CIRCLES

1 Easy

1 of 1

Application +4 | -1

C_1

is a circle with centre at the origin and radius equal to

r

and

C_2

is a circle with centre at

(3 r, 0)

and radius equal to

2 r

. The number of common tangents that can be drawn to the two circles are

View answer and explanation

Correct option: C

Option C (3) is correct because the circles touch each other externally, resulting in three common tangents.

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