Which advancement did Al-Khwarizmi's work on 'Hisab al-jabr w'al-muqabala' enable for land surveying in Baghdad's irrigation systems?

💡 Explanation

Al-Khwarizmi's algebra introduced systematic methods for solving linear and quadratic equations involved in calculating areas and lengths, specifically related to geometrical transformations. Therefore precisely mapping complex land divisions resulted, rather than discharge, flooding, or materials, which don't rely on algebraic solution of geometric equations in this specific way.

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