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Solutions of Chapter 8 Sequences and Series of Class 11 NCERT book available free. All exercise questions, examples, miscellaneous are done step by step with detailed explanation for your understanding.
Learn more on sequences and series class 11 chapter 9 Concepts like Sequences, series, arithmetic, and geometric progression, mean values, and the relationship between them at BYJU'S.
- Sequence. A succession of numbers arranged in a definite order according to a given certain rule is called sequence. A sequence is either finite or infinite depending upon the number of terms in a sequence.
- Series. If a1, a2, a3,…… ais a sequence, then the expression a1+ a2+ a3+ a4+ … + ais called series.
- Progression. A sequence whose terms follow certain patterns are more often called progression.
- Arithmetic Progression (AP) A sequence in which the difference of two consecutive terms is constant, is called Arithmetic progression (AP).
Class 11 15 units · 157 skills. Unit 1 Sets. Unit 2 Relations and functions. Unit 3 Trigonometric functions. Unit 4 Complex numbers and quadratic equations. Unit 5 Linear inequalties. Unit 6 Permutations and combinations. Unit 7 Binomial theorem. Unit 8 Sequences and series.
- Intro to sequence and series. Sequences intro. Summation notation. Practice. Summation notation intro Get 3 of 4 questions to level up!
- Arithmetic sequences. Intro to arithmetic sequences. Explicit formulas for arithmetic sequences. Practice. Recursive formulas for arithmetic sequences Get 3 of 4 questions to level up!
- Arithmetic series. Arithmetic series intro. Arithmetic series formula. (Opens a modal) Worked example: arithmetic series (sigma notation)
- Geometric sequences. Intro to geometric sequences. Intro to geometric sequences (advanced) Explicit & recursive formulas for geometric sequences.
Get free NCERT Solutions Class 11 Maths Chapter 9 Sequences And Series PDF here. These NCERT Class 11 Maths Solutions for Chapter 9 Sequences And Series can help students to clear any doubts instantly.
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SEQUENCES AND SERIES 181 Write the first five terms of each of the sequences in Exercises 1 1 to 13 and obtain the corresponding series: 11. a 1 = 3, a n = 3a n – 1 + 2 for all n > 1 12. a 1 = – 1, a n = n 1 a n −, n ≥ 2 13. a 1 = a 2 = 2, a n = a n – 1 –1, n > 2 14. The Fibonacci sequence is defined by 1 = a1 = a2 and an = an – 1 ...
