Sandip Asked a Question
June 8, 2021 2:42 pmpts 30 pts
9. Consider the circles S1:r+y + 4r +2y -4 = 0, Sa: +y-4r-4y +4 = 0. Then the number of common tangents of S1 and S2 is (A) 1. (B) 2. (C) 3. (D) 4.
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  • Alka gupta thankyou
    ans C....
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