Question

What is the value of “X” for which the following two vectors are
perpendicular A = 3i - 2j+5k and B=2i-2xj + 2k
(a)4
(6) -4
(c)2
(d) -2
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Answer 1

Answer:

A=2i-2j-k and B=15i+aj+2k, then what is the value of a if the vectors are equal? 157 Views ... How do you prove that the following two vectors are perpendicular 2i-3j+5k,-2i+2j+2k? ·