The vector that should be added to \overrightarrow{a}=3 \stackrel{\^}{𝑖}+4 \stackrel{\^}{𝑗}-2 \stackrel{\^}{k} so that resultant is the unit vector \stackrel{\^}{l} is

Correct Answer is : −2^𝑖−4^𝑗+2^k

-2 \stackrel{\^}{𝑖}-4 \stackrel{\^}{𝑗}+2 \stackrel{\^}{k}

2 \stackrel{\^}{𝑖}-4 \stackrel{\^}{𝑗}+2 \stackrel{\^}{k}

2 \stackrel{\^}{𝑖}+4 \stackrel{\^}{𝑗}+2 \stackrel{\^}{k}

\stackrel{\^}{𝑖}-\stackrel{\^}{𝑗}+2 \stackrel{\^}{k}

SRMJEE 2016 Paper with key

Question : 98 of 155

Marks: +1, -0

The vector that should be added to

→

𝑖

𝑗

−2

so that resultant is the unit vector

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