Telecharger Cours

SAT-Practice-Test-1-Math-tests-.pdf - Focus on Learning

Exercise: Prove that ?(a + b)2 = a2 + b2? is not an algebraic identity, where a, b ? R. Solution: If a = 1 and b = 2, then (a+b)2 = 9 and a2 +b2 = 12 +22 ...



Download