AP EAMCET · Maths · Vector Algebra
Let \(u, v\) and \(w\) are non-coplanar vectors, then the value of \(\frac{(u+2 v-w) \cdot[(u-v) \times(u-v-w)]}{[u v w]}\)
- A 1
- B 3
- C 4
- D 2
Answer & Solution
Correct Answer
(B) 3
Step-by-step Solution
Detailed explanation
Given u, v and w are non coplanar vectors. To Find The value of \(\frac{(u+2 v-w) \cdot[u-v) \times(u-v-w)]}{[u v w]}\) \(\begin{aligned} & (u+2 v-w) \cdot[u \times u-u \times v-u \times w \\ & \frac{-v \times u+v \times v+v \times w]}{[u v w]} \\ & \end{aligned}\)…
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