SubArea: Limit of a sequenceLevel: BProject ID: 1003035902Accepted: 1Clonable: 0Easy: 1Find the limit \( \lim\limits_{n\rightarrow\infty}(-1)^n\cdot\frac{3n}{4n^2+7} \).\( 0 \)\( \frac34 \)\( -\frac34 \)\( \frac37 \)\( -\infty \)