defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Differential Calculus Evaluation of derivatives
If y = logy x, then \(\frac{dy}{dx}\) is equal to:
1
\(\frac{1}{x+\log y}\)
2
\(\frac{1}{\log x(1+y)}\)
3
\(\frac{1}{ x(1+\log y)}\)
4
\(\frac{1}{y+\log x}\)