COMEDK · Maths · 33. Vector Algebra
If \(a\) and \(b\) are unit vectors and \(\mid\) a \(+b \mid=1\), then \(\mid\) a \(-b \mid\) is equal to
- A \(\sqrt{2}\)
- B 1
- C \(\sqrt{5}\)
- D \(\sqrt{3}\)
Answer & Solution
Correct Answer
(D) \(\sqrt{3}\)
Step-by-step Solution
Detailed explanation
We have \[ |a|=|b|=1,|a+b|=1 \] We know that,…
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