Class 9 Algebra Identity | (a + B + C)² = A² + B² + C² + 2ab + 2bc + 2ca | Easy Trick & Explanation

2026 15:31
Synopsis
Welcome to our Class 9 Maths series! In this video, we explore the important algebraic identity: (a + b + c)² = a² + b² + c² + 2ab + ...
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