# Is it a Function or a Vector?

Calculus Level pending

Let $$f$$ and $$g$$ be functions such that $$f(x)=(2x)\hat{i} + (x^2)\hat{j}$$ and $$g(x)=(x^2)\hat{i}+(2x)\hat{j}$$. If the sum of real solutions of the ecuation $$f(x)=g(x)$$ is $$a$$, find $$a-1$$

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