f,(x) = cos(2x), f,(x) = 1, f(x) = cos (x) g(x) = c,f,(x) + cf,(x) + cf (x) %3D Solve for c, c,, and c, so that g(x) = 0 on the interval (-o, oo). If a nontrivial solution exists, stat Determine whether f, f, f are linearly independent on the interval (-o, co). • linearly dependent O linearly independent

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