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Formula used: (1 + x)n = [nC0 + nC1 x + nC2 x2 + … +nCn xn]
Calculation: (1 + x)50 = [50C0 + 50C1 x + 50C2 x2 + … +50Cn x50] ----(1) Here, n = 50 Using the above formula, the sum of odd terms of the coefficient is S = (50C1 + 50C3 + 50C5 + ……. + 50C49) ⇒ S = 250-1 = 249 ∴ Sum of odd terms of the coefficient = 249 India’s #1 Learning Platform Start Complete Exam Preparation
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