If the vector \[\mathbf{i}+\mathbf{j}+\mathbf{k}\] makes angles \[\alpha ,\,\beta ,\,\gamma \]with vectors \[\mathbf{i},\,\mathbf{j},\mathbf{k}\]respectively, then

If the vector \[\mathbf{i}+\mathbf{j}+\mathbf{k}\] makes angles \[\alp

1.	If the vector \[\mathbf{i}+\mathbf{j}+\mathbf{k}\] makes angles \[\alpha ,\,\beta ,\,\gamma \]with vectors \[\mathbf{i},\,\mathbf{j},\mathbf{k}\]respectively, then
A.	\[\alpha =\beta \ne \gamma \]
B.	\[\alpha =\gamma \ne \beta \]
C.	\[\beta =\gamma \ne \alpha \]
D.	\[\alpha =\beta =\gamma \]
Answer» E.

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If the vector \[\mathbf{i}+\mathbf{j}+\mathbf{k}\] makes angles \[\alpha ,\,\beta ,\,\gamma \]with vectors \[\mathbf{i},\,\mathbf{j},\mathbf{k}\]respectively, then

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