Sum of the series by the method of difference.

The sum of the series: is:

Two PN -junction can be connected in series by three different methods as shown in the figure. If the potential difference in the junction is the same, then the correct connection will be

An arithmetic series consists of 2n terms, and the first term equals the value of the common difference. If a new series is formed taking the 1st, 3rd, 5th,... (2n – 1) th term of the old series, find the ratio of the sum of the new series to that of the sum of the terms of the old series.

Sum Of Series By Cancellation Method

The sum to infinity of a geometric series is 32. The sum of the first four terms is 30 and all the terms are positive.Find the difference between the sum to infinity and the sum of the first eight terms

The sum of the first 2012 terms of a geometric progression is 200. The sum of the first 4024 terms of the same series is 380. Find the sum of the first 6036 terms of the series.

Metals are extracted from their ores by different methods depending on their position in the activity series Metals which are extracted by heating, electrolysis and by reduction with carbon respectively are