![Tell me Why | Method of difference | Sum of the series of sine & cosine when angles are in A.P. - YouTube Tell me Why | Method of difference | Sum of the series of sine & cosine when angles are in A.P. - YouTube](https://i.ytimg.com/vi/5Qy88VNvipA/maxresdefault.jpg)
Tell me Why | Method of difference | Sum of the series of sine & cosine when angles are in A.P. - YouTube
![If the sum of a certain number of terms of the A.P. 25, 22, 19, … is 116. Find the last term - Mathematics | Shaalaa.com If the sum of a certain number of terms of the A.P. 25, 22, 19, … is 116. Find the last term - Mathematics | Shaalaa.com](https://www.shaalaa.com/images/_4:a745a7f327e543069e5ead4e7e90a1e6.png)
If the sum of a certain number of terms of the A.P. 25, 22, 19, … is 116. Find the last term - Mathematics | Shaalaa.com
The sum of first n terms of an AP.,is zero ,show that the sum of next m terms is am(m+n)/n 1,a being the first term
![Example 6 - Sum of n terms of two APs are in ratio (3n + 8) - Arithmetic Progression (AP): Formulae based | Arithmetic progression, Sum, Arithmetic Example 6 - Sum of n terms of two APs are in ratio (3n + 8) - Arithmetic Progression (AP): Formulae based | Arithmetic progression, Sum, Arithmetic](https://i.pinimg.com/originals/59/fe/e9/59fee9fc4d453c1c649bb043b21e5f38.jpg)
Example 6 - Sum of n terms of two APs are in ratio (3n + 8) - Arithmetic Progression (AP): Formulae based | Arithmetic progression, Sum, Arithmetic
![Summation of plateau potentials in the absence of somatic AP firing.... | Download Scientific Diagram Summation of plateau potentials in the absence of somatic AP firing.... | Download Scientific Diagram](https://www.researchgate.net/publication/230763867/figure/fig10/AS:203184330022943@1425454327947/Summation-of-plateau-potentials-in-the-absence-of-somatic-AP-firing-A-Blue-trace.png)