1.

The projection of a along b is                          [RPET 1995]

A.             \[\frac{\mathbf{a}\,.\,\mathbf{b}}{|\mathbf{a}|}\]
B.             \[\frac{\mathbf{a}\,\times \,\mathbf{b}}{|\mathbf{a}|}\]
C.             \[\frac{\mathbf{a}\,.\,\mathbf{b}}{|\mathbf{b}|}\]
D.             \[\frac{\mathbf{a}\,\times \,\mathbf{b}}{|\mathbf{b}|}\]
Answer» D.             \[\frac{\mathbf{a}\,\times \,\mathbf{b}}{|\mathbf{b}|}\]


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