If \[\mathbf{a}=2\mathbf{i}+4\mathbf{j}+2\mathbf{k}\] and \[\mathbf{b}=8\mathbf{i}-3\mathbf{j}+\lambda \mathbf{k}\] and \[\mathbf{a}\,\bot \,\mathbf{b},\] then value of \[\lambda \] will be [RPET 1995]

If \[\mathbf{a}=2\mathbf{i}+4\mathbf{j}+2\mathbf{k}\] and \[\mathbf{b}

1.	If \[\mathbf{a}=2\mathbf{i}+4\mathbf{j}+2\mathbf{k}\] and \[\mathbf{b}=8\mathbf{i}-3\mathbf{j}+\lambda \mathbf{k}\] and \[\mathbf{a}\,\bot \,\mathbf{b},\] then value of \[\lambda \] will be [RPET 1995]
A.	2
B.	? 1
C.	? 2
D.	1
Answer» D. 1

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If \[\mathbf{a}=2\mathbf{i}+4\mathbf{j}+2\mathbf{k}\] and \[\mathbf{b}=8\mathbf{i}-3\mathbf{j}+\lambda \mathbf{k}\] and \[\mathbf{a}\,\bot \,\mathbf{b},\] then value of \[\lambda \] will be [RPET 1995]

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