Class 11 Mathematics: Sequences and Series Formulas (PDF) — All Important Formulas Free
Free class 11 mathematics: sequences and series formulas — all 7 key formulas on one page, downloadable as PDF for fast revision before CBSE board exams, JEE & NEET. No signup.
TL;DR: Free class 11 mathematics: sequences and series formulas — all 7 key formulas on one page, downloadable as PDF for fast revision before CBSE board exa…
Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated
All Sequences and Series formulas for Class 11 Mathematics (CBSE / NCERT) on one page — fast revision for board exams, JEE & NEET. 100% free, no login, download as PDF.
Sequences and Series — Key Formulas
| Formula | Expression |
|---|---|
| Arithmetic Progression | a_n = a + (n−1)d |
| Sum of AP | S_n = (n/2)(2a + (n−1)d) |
| Geometric Progression | a_n = ar^(n−1) |
| Sum of GP | S_n = a(r^n − 1)/(r − 1) |
| Infinite GP Sum | S_∞ = a/(1−r) when |r| < 1 |
| Arithmetic Mean | AM = (a + b)/2 |
| Geometric Mean | GM = √(ab) |
FAQs
What are the most important Sequences and Series formulas for Class 11?
This sheet lists all 7 key Sequences and Series formulas from the Class 11 Mathematics CBSE/NCERT syllabus, ready for quick revision.
Is this Sequences and Series formula sheet free to download?
Yes — every Syllab.in formula sheet is 100% free, needs no login, and can be saved as a PDF.