jee_main_2025_03_april_morning - Sequences and Series Topics

Master these core formulas and structures to solve almost any past paper question.

Sample Questions in this Chapter

QUESTION #0 Method of Differences
The sum 1 + 3 + 11 + 25 + 45 + 71 + up to 20 terms, is equal to:
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QUESTION #66 Geometric Progression
Let a₁, a₂, a₃, … be a G.P. of increasing positive numbers[cite: 655]. If a₃a₅ = 729 and a₂ + a₄ = (111)/(4) [cite: 656], then 24(a₁ + a₂ + a₃) is equal to[cite: 657]:
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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