$\begin{aligned} & \text { यदि } \frac{1}{1^4}+\frac{1}{2^4}+\frac{1}{3^4}+\ldots \infty=\frac{\pi^4}{90} \text {, } \\ & \frac{1}{1^4}+\frac{1}{3^4}+\frac{1}{5^4}+\ldots \infty=\alpha \text {, } \\ & \frac{1}{2^4}+\frac{1}{4^4}+\frac{1}{6^4}+\ldots \infty=\beta \text {, } \\ & \text { हैं, तो } \frac{\alpha}{\beta} \text { बराबर है }\end{aligned}$