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➕ Mathematics ▾
📘 Class 9-10
Number System
Ch 1
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Formula
(a+b)ⁿ = Σ ⁿCr aⁿ⁻ʳ bʳ
(a+b)ⁿ = Σ ⁿCr aⁿ⁻ʳ bʳ
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