### 10th STD MATH “SEQUENCE AND SERIES OF REAL NUMBERS” IMPORTANT FORMULAS ONLINE FREE DOWNLOAD

__ SEQUENCES AND SERIES OF REAL NUMBERS FORMULAS __

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Important formula’s under SAMACHEER KALVI 10th STD Math Chapter “SEQUENCES AND SERIES OF REAL NUMBERS” are given below.

You can also download a copy of this formula list from below link..

* 1. *Arithmetic Progression (A.P.) - General term of an A.P. is

*t*(

_{n}= a +*n -*1)

*d V n*∈

*N*

2. Geometric Progression (G.P.)** - **General term of a G.P. is *t _{n} = ar ^{n-1}*,

*n = 1,2,3….*

3. The sum S_{n} of the first n terms of an arithmetic sequence with first term a and common difference d is given by

4. The sum of the first n terms of a geometric series is given by

where a is the first term and r is the common ratio.

5. The sum of the first n natural numbers,

6. The sum of the first n odd natural numbers,

7. The sum of first n odd natural numbers ( when the last term l is given) is

8. The sum of squares of first n natural numbers,

9. The sum of cubes of the first n natural numbers,

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SAMACHEER KALVI 10th STD Math Chapter “SEQUENCES AND SERIES OF REAL NUMBERS” formula’s in PDF format from below link…

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