check for linear dependecy[/B]
f(x) = cosx and g(x) = xcosx
2 functions from R to R
The Attempt at a Solution
Why this is wrong:
if i take the scalar a1 = 3, a2 = 1
i can do that since 3 is real, and a1 is in R.
so 3f(3) + -1g(3) = 0
there for we have none trivial comb for the zero vector.