Dailymotion on MSN
IBilib: Multiply by 9 using your fingers!
Aired (June 14, 2026): Want to multiply by 9 faster? Learn a simple finger math trick that can help you solve problems ...
Abstract: In the sparse polynomial multiplication problem, one is asked to multiply two sparse polynomials f and g in time that is proportional to the size of the input plus the size of the output.
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