[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Mathematics in Ancient and Medieval India](https://indike.org/pramana/ins.science.bag-1979) › c8.s3.28 # Mathematics in Ancient and Medieval India c8.s3.28 Mathematics in Ancient and Medieval India c8.s3.28 - **Language:** English ### [c8.s3.28](https://indike.org/pramana/ins.science.bag-1979.c8.s3.28) $and ii) (π)/4 = 1 - ⅓ + ⅕ - ± 1/n (((n + 1)²)/4 + 1)/(\[(n + 1)² + 4 + 1\] ((n + 1)/2)) \[T\]$ - [Previous: c8.s3.27](https://indike.org/pramana/ins.science.bag-1979.c8.s3.27) - [Next: c8.s3.29](https://indike.org/pramana/ins.science.bag-1979.c8.s3.29) - [Up: c8.s3](https://indike.org/pramana/ins.science.bag-1979.c8.s3) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c8.s3.28](https://indike.org/pramana/ins.science.bag-1979.c8.s3.28) · Pramāṇa