📐 Mathematics · Chapter-Wise Mock Test
~2 questions per paper · 6% Mathematics weightage
Sₙ(AP) = n/2[2a+(n-1)d]Sₙ(GP) = a(rⁿ-1)/(r-1)Sum∞(GP) = a/(1-r)Σn = n(n+1)/2Σn² = n(n+1)(2n+1)/6AM ≥ GM ≥ HM inequalities, AGP (Arithmetico-Geometric Progression) sum, relation between AM and GM for consecutive terms, telescoping sums using partial fractions, and sum of n² and n³ appear most frequently.
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