Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Differential Calculus Evaluation of derivatives
If \(\rm x^m y^n =a^{m+n}\), then what is \(\rm \dfrac{dy}{dx}\) equal to?
1
\(\rm \dfrac{my}{nx}\)
2
\(-\rm \dfrac{my}{nx}\)
3
\(\rm \dfrac{mx}{ny}\)
4
More than one of the above
5
None of the above