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Let \(\vec{a}=-\overset{^}{i}-\overset{^}{j}+\overset{^}{k},\vec{a}.\vec{b}=1\) and \(\vec{a}\times \vec{b}=\overset{^}{…

Q1

Let \(\vec{a}=-\overset{^}{i}-\overset{^}{j}+\overset{^}{k},\vec{a}.\vec{b}=1\) and \(\vec{a}\times \vec{b}=\overset{^}{i}-\overset{^}{j}\)Then \(\vec{a}-6\vec{b}\) is equal to

a

\(3(\overset{^}{i}+\overset{^}{j}+\overset{^}{k})\)

b

\(3(\overset{^}{i}-\overset{^}{j}+\overset{^}{k})\)

c

\(3(\overset{^}{i}+\overset{^}{j}-\overset{^}{k})\)

d

\(3(\overset{^}{i}-\overset{^}{j}-\overset{^}{k})\)

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