1.

The value of λ such that vectors →A=2^i−6^j+^k and →B=6^i−4^j+λ^k are orthogonal is (a) 2 (b)−12(c)−36 (d)−2

Answer» The value of λ such that vectors
A=2^i6^j+^k and B=6^i4^j+λ^k
are orthogonal is
(a) 2 (b)12(c)36 (d)2


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