There are n points in a plane of which p points are collinear. How many lines can be formed from these points [Karnataka CET 2002]

\[^{n}{{C}_{2}}-{{\,}^{p}}{{C}_{2}}-1\]

\[^{n}{{C}_{2}}-{{\,}^{p}}{{C}_{2}}\]

\[^{n}{{C}_{2}}-{{\,}^{p}}{{C}_{2}}+1\]

There are n points in a plane of which p points are collinear. How man

1.	There are n points in a plane of which p points are collinear. How many lines can be formed from these points [Karnataka CET 2002]
A.	\[^{(n-p)}{{C}_{2}}\]
B.	\[^{n}{{C}_{2}}-{{\,}^{p}}{{C}_{2}}\]
C.	\[^{n}{{C}_{2}}-{{\,}^{p}}{{C}_{2}}+1\]
D.	\[^{n}{{C}_{2}}-{{\,}^{p}}{{C}_{2}}-1\]
Answer» D. \[^{n}{{C}_{2}}-{{\,}^{p}}{{C}_{2}}-1\]

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There are n points in a plane of which p points are collinear. How many lines can be formed from these points [Karnataka CET 2002]

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