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যদি

\bar{v} = (6 x y + z^{3}) \hat{i} + (3 x^{2} - z) \hat{j} + (3 x z^{2} - y) \hat{k}

হয়, তবে ভেক্টর

\bar{\nabla} . \bar{v} = 0

\bar{\nabla} \times \bar{v} = 0

\bar{\nabla} \cdot \bar{v} \neq 0

\bar{\nabla} \cdot \times \neq 0

ANS : 2

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