[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) › c7.s2.73 # Mathematics in Ancient and Medieval India c7.s2.73 Mathematics in Ancient and Medieval India c7.s2.73 - **Language:** English ### [c7.s2.73](https://indike.org/pramana/ins.science.bag-1979.c7.s2.73) From the above, Mahāvīra deduced three expressions⁴ also for finding the common ratio (r), first term ( a ) and number of terms (n). - [Previous: c7.s2.72](https://indike.org/pramana/ins.science.bag-1979.c7.s2.72) - [Next: c7.s2.74](https://indike.org/pramana/ins.science.bag-1979.c7.s2.74) - [Up: c7.s2](https://indike.org/pramana/ins.science.bag-1979.c7.s2) --- Source: [https://indike.org/pramana/ins.science.bag-1979.c7.s2.73](https://indike.org/pramana/ins.science.bag-1979.c7.s2.73) · Pramāṇa