If \[\mathbf{p}=7\mathbf{i}-2\mathbf{j}+3\mathbf{k}\] and \[\mathbf{q}=3\mathbf{i}+\mathbf{j}+5\mathbf{k},\] then the magnitude of \[\mathbf{p}-2\mathbf{q}\] is [MP PET 1987]

If \[\mathbf{p}=7\mathbf{i}-2\mathbf{j}+3\mathbf{k}\] and \[\mathbf{q}

1.	If \[\mathbf{p}=7\mathbf{i}-2\mathbf{j}+3\mathbf{k}\] and \[\mathbf{q}=3\mathbf{i}+\mathbf{j}+5\mathbf{k},\] then the magnitude of \[\mathbf{p}-2\mathbf{q}\] is [MP PET 1987]
A.	\[\sqrt{29}\]
B.	4
C.	\[\sqrt{62}-2\sqrt{35}\]
D.	\[\sqrt{66}\]
Answer» E.

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If \[\mathbf{p}=7\mathbf{i}-2\mathbf{j}+3\mathbf{k}\] and \[\mathbf{q}=3\mathbf{i}+\mathbf{j}+5\mathbf{k},\] then the magnitude of \[\mathbf{p}-2\mathbf{q}\] is [MP PET 1987]

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