Teaching AP DSC School Assistant 2025 Mock Test Series Mathematics Differential Calculus Evaluation of derivatives
If \(x=a\left(t+\frac{1}{t}\right)\) and \(y=a\left(t-\frac{1}{t}\right)\), then \(\frac{d x}{d y}\) is:
1
\(\frac{x}{y}\)
2
\(\frac{y}{x}\)
3
\(\frac{1}{x}\)
4
1