What is \overrightarrow{b} equal to ? [NDA I 2023]

Correct Answer is : 5^i+2^j+2^k

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

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

5 \stackrel{\^}{i}-2 \stackrel{\^}{j}+6 \stackrel{\^}{k}

3 \stackrel{\^}{i}+3 \stackrel{\^}{j}+4 \stackrel{\^}{k}

UPSC NDA I 2023 Mathematics Solved Paper

Consider the following for the next two (02) items that follow :
Let

→

and

→

−

. Let

→

be such that

→

⋅

→

=27 and

→

[NDA I 2023]

Question : 65 of 120

Marks: +1, -0

What is

→

equal to ?

[NDA I 2023]

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