AP EAMCET · Maths · Vector Algebra
A vector in the direction of \(v=2 \widehat{i}+3 \hat{j}+\widehat{k}\) with magnitude \(\sqrt{7}\) is
- A \(\frac{2}{\sqrt{3}} \widehat{i}+\frac{3}{\sqrt{3}} \hat{j}+\frac{1}{\sqrt{3}} \widehat{k}\)
- B \(\widehat{i}+\frac{3}{2} \widehat{j}+\frac{1}{2} \widehat{k}\)
- C \(\frac{2}{\sqrt{2}} \widehat{i}+\frac{3}{\sqrt{2}} \hat{j}+\frac{1}{\sqrt{2}} \widehat{k}\)
- D \(\frac{2}{\sqrt{7}} \hat{i}+\frac{3}{\sqrt{7}} \hat{j}+\frac{1}{\sqrt{7}} \widehat{k}\)
Answer & Solution
Correct Answer
(C) \(\frac{2}{\sqrt{2}} \widehat{i}+\frac{3}{\sqrt{2}} \hat{j}+\frac{1}{\sqrt{2}} \widehat{k}\)
Step-by-step Solution
Detailed explanation
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