Tags » Arithmetic Progression
We will derive summation of series with increasing difficulty.
Lets derive the simplest series summation formulas,
To derive a formula to this series consider adding the same series with all numbers reversed, that is and so on till i.e, check the following equations, 157 more words
Let be the sides of triangle such that are in A.P.
Prove that the cotangent of the interior angles are also in A.P.
Find three numbers in arithmetic progression such that
where the common difference is
, , are in A.P., that is, … 69 more words