Problem #PRU-100267

Problems Methods Mathematical induction Mathematical induction in geometry

Problem

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(a) \((a-b)^2 = a^2 - 2ab + b^2\),

(b) \(a^2 - b^2 = (a-b)(a+b)\),

(c) \((a+b+c)^2 = a^2 + b^2 + c^2 + 2ab + 2ac + 2bc\).