Nth term of A.G.P
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Q. The sum to (n + 1) terms of the series c02−c13+c24−c35+.... is
Q.
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Find the sum of the series 131+13+231+3+13+23+331+3+5+−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−12terms
Q.
Find the sum to n terms of the series whose nth term is given by
n2+2n
Q.
limn→∞1.n2+2.(n−1)2+3.(n−2)2+.....n.1213+23+....n3
Q. Sum of the series (1+x)+(1+x+x2)+(1+x+x2+x3)+.............. upto n terms is
- None of these
Q. The sum of the series 1+2x+3x2+4x3+..... upto n terms is
- xn+1
- 1−xn(1−x
- None of these
- 1−(n+1)xn+nxn+1(1−x)2
Q.
The sum of (n-1) terms of 1+(1+3)+(1+3+5)+.............is