Sequences and Series
Arithmetic progressions, geometric progressions, sigma notation, and infinite series for Class 11 Maths.
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Logarithmic Series: loge(1+x) Expansion, Formula & Solved Examples (Class 11 Maths)
Appendix 1 of the NCERT Class 11 Maths textbook closes with the logarithmic series, a companion result to the exponential series covered in the previous section.
Exponential Series & Euler's Number e: Formula, Derivation & Examples (Class 11 Maths)
Every student encounters π early in geometry, tied to circles. Section A.1.4 introduces its calculus counterpart: the number e, first defined by Leonhard Euler in his 1748 calculus text.
Infinite Geometric Series: Sum to Infinity Formula & Solved Examples (Class 11 Maths)
Master the sum to infinity formula for infinite geometric series. Learn Class 11 Maths concepts with solved NCERT examples for CBSE boards and CUET.
Infinite Series in Maths: Definition, Sequences & Sigma Notation Explained
Chapter 9 introduced sequences and series with a fixed, countable number of terms. Appendix 1 of the NCERT textbook, titled "Infinite Series," pushes that idea further: what happens when a sequence never ends, and we try to add up all its terms anyway?