Nth Term of A.G.P
Trending Questions
Q. The sum of the series 1+2x+3x2+4x3+..... upto n terms is
- 1−(n+1)xn+nxn+1(1−x)2
- 1−xn(1−x
- xn+1
- None of these
Q. The sum of the first n terms of the series 12+34+78+1516+..... is
[IIT 1988; MP PET 1996; RPET 1996, 2000; Pb. CET 1994; DCE 1995, 96]
[IIT 1988; MP PET 1996; RPET 1996, 2000; Pb. CET 1994; DCE 1995, 96]
- 2n−n−1
- 1−2−n
- n+2−n−1
- 2n−1
Q. The sum of the first n terms of the series 12+34+78+1516+..... is
[IIT 1988; MP PET 1996; RPET 1996, 2000; Pb. CET 1994; DCE 1995, 96]
[IIT 1988; MP PET 1996; RPET 1996, 2000; Pb. CET 1994; DCE 1995, 96]
- 2n−n−1
- 1−2−n
- n+2−n−1
- 2n−1