Find the value of the following sum:
What is the value of the following sum? S = 12/21 + 22/22 + 32/23 + … + n2/2n + …
What is the value of 'k' in the following sum? 57 + 54 + 51 +..........+ k = -123
Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?