Write the coefficients of $x^2$ in each of the following:
$(i)$ $\frac{\pi}{2} x^2 + x$
$(ii)$ $\sqrt{2} x - 1$
$(i)$ $\frac{\pi}{2} x^2 + x$
$(ii)$ $\sqrt{2} x - 1$
- A$\frac{\pi}{2}$ and $0$
- B$\pi$ and $0$
- C$2$ and $0$
- D$\frac{\pi}{2}$ and $\pi$
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