engineering recuitment NPCIL Plant Operator Mock Test Mathematics Differential Calculus Evaluation of derivatives
Find the derivative of \(\rm \frac {1}{x^4}\).
1
\(\rm \frac{4}{x^5} \)
2
\(\rm \frac{-4}{x^5} \)
3
\(\rm \frac{4}{x^4} \)
4
\(\rm \frac{-1}{x^5} \)