Lesson 4 of 20 • 5 upvotes • 15:00mins
An arithmetic series is the sum of an arithmetic sequence. We find the sum by adding the first, a1 and last term, an, divide by 2 in order to get the mean of the two values and then multiply by the number of values, n: Sn=n2(a1+an)
20 lessons • 4h 28m
Course overview
4:37mins
Sequences and Series
12:27mins
(AP) Arithmetic Progression
14:34mins
Sum and General Terms of AP
15:00mins
Arithmetic Mean or AM
15:00mins
(GP) Geometric Progression
14:41mins
Geometric Mean or GM
15:00mins
Harmonic Progression HP
13:37mins
AM GM HM Inequalty
14:14mins
Arithmetico Geometric Progression (AGP)
13:32mins
Selection of Terms in AP
13:01mins
Sum of Terms by General Term
12:01mins
Method of Difference to find General Term
12:09mins
Method of Difference to find Sum
12:54mins
Method of difference for general terms explanation
12:41mins
Questions asked in previous years in IIT JEE
15:00mins
PYQs ad expected questions for vectors
14:38mins
Sum by changing nth term
13:51mins
Important Questions at a glance
15:00mins
Rth differences of terms of Series ✔️
14:03mins