CircleEasy
Question
If the lengths of the tangents drawn from the point (1, 2) to the circles x2 + y2 + x + y − 4 = 0 and 3x2 + 3y2 − x − y + k = 0 be in the ratio 4 : 3, then k =
Options
A.21/2
B.7/2
C.−21/4
D.7/4
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