Progression (Sequence and Series)Hard
Question
If the sum of an infinite GP be 3 and the sum of the squares of its term is also 3, then its first term and common ratio are -
Options
A.3/2, 1/2
B.1/2, 3/2
C.1, 1/2
D.None of these
More Progression (Sequence and Series) Questions
The value of x + y + z is 15 if a, x, y, z, b are in A.P. while the value of is if a, X, Y, Z, b are in H.P., then a and...The sum of the first n terms of the series 12 + 2 . 22 + 32 + 2 . 42 + 52 + 2 . 62 + ... is when n is even. When n is od...If 1 + r + r2 + ....+ rn = (1 + r) (1 + r2) (1 + r4) (1 + r8) , then the value of n is-...Find the sum of all the even positive integers less than 200 which are not divisible by 6-...The geometric mean of n observations x1, x2, x3,.....,xn is...