Question

explain multiplication of a vector with real no. and a scalar
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Answer 1

Explanation:

When a vector is multiplied with a positive number, that number is multiplied with the magnitude of that vector leaving the direction intact. But a negative number negates the vector, i.e., its direction reverses.

Answer 2

Answer:

There are two kinds of multiplication for vectors. One kind of multiplication is the scalar product, also known as the dot product. The other kind of multiplication is the vector product, also known as the cross product. The scalar product of vectors is a number (scalar).