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\vec{a} = 2 \hat{i} + \hat{j} - 2 \hat{k}

\vec{b} = 5 \hat{i} - 3 \hat{j} + 2 \hat{k}

ভেক্টর উপাংশ হবে-

\hat{a}

\frac{1}{\hat{a}}

\frac{1}{2} \hat{a}

কোনোটিই নয়

ANS : 1

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