The greatest number of points of intersection of n circles and m straight lines is

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2mn+mC2

12m(m−1)+n(2m+n−1)

mC2+2 nC2

none of these

answer is B.

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Detailed Solution

The number of points of intersections= nC2(2)+ mC2(1)+ nC1 mC1(2)=n(n−1)+12m(m−1)+2mn

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