Dot product of a vector `vec(a)` with `hati+hatj-3hatk,hati+3hatj-2hatk` and `2hati+hatj+4hatk` are 0, 5 and 8 respectively. Find the vector.
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The correct Answer is:
`hati+2hatj+hatk`
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KUMAR PRAKASHAN-VECTOR ALGEBRA -Practice Paper - 10 (Section-D)
