For given vector, a = 2i^ j +2k^ and b = -i^ +j^ - k^ , find the unit vector in the direction of the vector a +b .

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For given vector, {{a}} = 2{{i}} {j} +2{{k}} and {{b}} = -{{i}

Question

For given vector, $a$ = 2 $\hat{i}$ $j$ +2 $\hat{k}$ and $b$ = - $\hat{i}$ + $\hat{j}$ - $\hat{k}$ , find the unit vector in the direction of the vector $a$ + $b$ .

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Noah Discussed

For given vector,

a

= 2

\hat{i}

j

\hat{k}

and

b

= -

\hat{i}

\hat{j}

\hat{k}

, find the unit vector in the direction of the vector

a

b

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Question Text

For given vector,

a

= 2

\hat{i}

j

\hat{k}

and

b

= -

\hat{i}

\hat{j}

\hat{k}

, find the unit vector in the direction of the vector

a

b