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# Indian Mathematics c7.20

Indian Mathematics c7.20

- **Language:** English

### [c7.20](https://indike.org/pramana/ins.science.kaye-1915.c7.20)

Du² + 1 = t²

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Source: [https://indike.org/pramana/ins.science.kaye-1915.c7.20](https://indike.org/pramana/ins.science.kaye-1915.c7.20) · Pramāṇa