Standard long multiplication requires writing down rows of numbers and adding them up. Kanth Risa introduces methods like Vertically and Crosswise (Urdhva-Tiryagbhyam). This formula allows you to multiply any two-digit or three-digit numbers instantly on a single line. 2. Rapid Squaring and Cube Roots
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Regarding the search for , here is the current situation: Standard long multiplication requires writing down rows of
