Madhyamik Question Paper Solution of Year 2023 Question No: 7(ii)
\(x \propto y\) এবং \(y \propto z\) হলে দেখাও যে \(\frac{x}{yz} + \frac{y}{zx} + \frac{z}{xy} \propto \frac{1}{x} + \frac{1}{y} +\frac{1}{z}\)

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