Let A = 5i -4j and B = -7.5i + 6j. (a) Do we have B = kA (b) can we sa – InterviewSolution

1.

Let A = 5i -4j and B = -7.5i + 6j. (a) Do we have B = kA (b) can we say k= B/A

Answer»

(a) yes, If you multiply (-1.5) to A you get B => B= -1.5A

(b) But that doesn’t mean -1.5 = B/A, Because division of a vector with another vector is not defined.

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