TS EAMCET 18-July-2022 Shift 1 Solved Paper

Section: Mathematics

Question : 54 of 160

Marks: +1, -0

If the circles C1:x2+y2+2x+4y−20=0,‌‌C2:x2+y2+6x−8y+9=0 have n common tangents and the length of the tangent drawn from the centre of similitude to the circle C2 is l then ‌

4√39
√39
‌
√39
4
2√39

Validate

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