Question:
A vector \(\vec{a}\) makes equal acute angles on the coordinate axis.Then the projection of vector \(\vec{b}=5\hat{i}+7\hat{j}-\hat{k}\) on \(\vec{a}\) is
A vector \(\vec{a}\) makes equal acute angles on the coordinate axis.Then the projection of vector \(\vec{b}=5\hat{i}+7\hat{j}-\hat{k}\) on \(\vec{a}\) is
Updated On: Apr 17, 2024
- \(\frac{11}{15}\)
- \(\frac{11}{\sqrt3}\)
- \(\frac{4}{5}\)
- \(\frac{3}{5\sqrt3}\)
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The Correct Option is B
Solution and Explanation
The correct answer is (B) : \(\frac{11}{\sqrt3}\)/
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