question_answer

A vector n of magnitude 8 units is inclined to x-axis at \[45{}^\circ ,\] y-axis at \[60{}^\circ \]and an acute angle with z-axis. If a plane passes through a point \[(\sqrt{2},\,\,-1,\,\,1)\]and is normal to n, then its equation in vector form is

A)  \[r.(\sqrt{2}\,\,i+j+k)=4\]          

B)  \[r.\,\,(\sqrt{2}i+j+k)=2\]

C)  \[r.\,\,(i+j+k)\]              

D)  All of these

E)  None of these