যদি \( \vec{x} = 2\hat{i} + 4\hat{j} - 6\hat{k} \) , \( \vec{y} = 3\hat{i} + 5\hat{j} - 7\hat{k} \) হয়, তবে \( \vec{y} \) ভেক্টরের উপর \( \vec{x} \) ভেক্টরের স্কেলার অভিক্ষেপ কত?

A \( \frac{68}{\sqrt{83}} \)

B - \( \frac{68}{\sqrt{83}} \)

C \( \frac{68}{83} \)

D - \( \frac{68}{83} \)

Solution

Correct Answer: Option B

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