অবস্থান ভেক্টর \( \vec{r} = 3x\hat{i} + 2y\hat{j} + 4z\hat{k} \) এর ডাইভারজেন্স কত?

A \( 9 \)

B \( 24 \)

C \( 5 \)

D \( 9xyz \)

Solution

Correct Answer: Option A

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