01Mark for Review01 / 05limx→1x2−1sin(πx)is\lim\limits_{x \to 1} \frac{x^{2}-1}{\sin(\pi x)} isx→1limsin(πx)x2−1isA−2-2−2AB−2π-\frac{2}{\pi}−π2BC000CD2π\frac{2}{\pi}π2DEnonexistentE