Mathematics

Problem

\mathbf{a}

and

\mathbf{b}

are two non-collinear vectors and

x\mathbf{a} + y\mathbf{b} = \mathbf{0}

x = 0

, but

y

is not necessarily zero b.

y = 0

, but

x

is not necessarily zero c.

x = 0, y = 0

d. None of the above