Evaluate the given limit , \(\rm \mathop{\lim}\limits_{t \to 1} \frac{4t^{3}-3t^{2} -1}{7-t^{2} -6t^{3}}\)
1
\(- \frac{3}{10}\)
2
\( \frac{3}{10}\)
3
\(- \frac{1}{7}\)
4
\(\frac{1}{7}\)
Evaluate the given limit , \(\rm \mathop{\lim}\limits_{t \to 1} \frac{4t^{3}-3t^{2} -1}{7-t^{2} -6t^{3}}\)