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Who proposed the identity used to compute squares quickly in 750 CE?
AAryabhatiyaa
BShridharacharya
CBhaskaracharya
DBrahmaguptaji
Answer & Solution
Correct answer: B. Shridharacharya
1. The method rewrites a square using a nearby round number.
2. It dates from the eighth century in India.
3. Shridharacharya proposed it in 750 CE.
4. So the answer is Shridharacharya.
_Source: NCERT Class 9 Mathematics, Ch 4 'Exploring Algebraic Identities'_
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