If a is a vector and c is a scalar, how is ca related to a gemotrically? how do you find ca algebraically?

Geometrically, ca is an extension or contraction of a, and algebraically is a multiplication of c times every coordinate of a.

Step-by-step explanation:

A vector is an element of a vectorial space which could have n-coordinates (or dimensions). A scalar is just a number (they don't specify if it is real, complex, rational, etc.).

In order to find ca (or c*a), we have that, in general

is the vector a, and ca is c times the vector a

Geometrically, this represents an extension or contraction of the vector a.

sorry, i can't understand your question. will later if you describe more clearly!

: )

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step-by-step explanation: