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Algebra & Combinatorics
🧮 Algebraic Identities — Practice Questions
20 Questions
Page 1 of 4🟢 1
Use an algebraic identity to quickly calculate 103².
🟡 2
If a + b = 12 and ab = 36, find the value of a² + b².
🔴 3
Use an algebraic identity to quickly calculate 193².
🟢 4
Find the value of a³ + b³ if a = 5 and b = 2, using the identity a³+b³ = (a+b)(a²−ab+b²).
🟡 5
If a − b = 3 and ab = 40, find the value of a² + b².