Progression (Sequence and Series)Hard
Question
If first term of a decreasing infinite G.P. is 1 and sum is S, then sum of squares of its terms is-
Options
A.S2
B.1/S2
C.S2/(2S − 1)
D.S2/(2S + 1)
More Progression (Sequence and Series) Questions
In a college of 300 students every student reads 5 newspapers and every newspaper is read by 60 student. The number of n...If the mean of first n natural numbers is equal to , then n is equal to-...Which of the following is not a measure of dispersion ?...If the sum to n terms of a series be 3(2n −1), then it is-...The sum of the infinite series 12 + 22 x + 32 x2 + ..... is-...