If the vectors veca = hati-hatj+2hatk, v...

If the vectors `veca = hati-hatj+2hatk, vecb=2hati+4hatj+hatk` and `vecc=lambda hati+hatj+mu hatk` are mutually orthogonal, then `(lambda, mu)=`

(2, -3)

(-2, 3)

(3, -2)

(-3, 2)

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AAKASH SERIES-APPENDICES (REVISION EXERCISE)-DOT PRODUCT OF TWO VECTORS

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