1.

\left. \begin{array} { l } { \text { Three points } ( p + 1,1 ) , ( 2 p + 1,3 ) \text { and } ( 2 p + 2,2 p ) \text { are collinear if } p = } \\ { \text { (a) } \quad - 1 } & { \text { (b) } 1 } & { \text { (c) } 2 } \end{array} \right.

Answer»

p =2 is a right option



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