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RD SHARMA ENGLISH-SOME SPECIAL SERIES-All Questions
- Find the sum of the first n terms of the series : 3 + 7 + 13 +21 + 31...
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- Find the sum of first n terms of the following series:5+11+19+29+41+.....
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- Find the sum of n terms\ of the series: 1/(1. 2)+1/(2. 3)+1/(3. 4)+.....
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- Sum of the following series to n term: 3+5+9+15\ +23+........
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- Sum of the following series to n term: 1+3+7+13+21+ ............
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- Sum of the following series to n term: \ 1+3+6+10+15+.............
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- Sum of the following series to n term: 1/(1* 4)+1/(4* 7)+1/(7*10)+ ......
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- Find the sum 2+5+10+17+26+. . . .
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- Find the sum of the series to n terms :3+7+14+24+37....
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- Sum of the following series to n term: 2+4+7+11+16+.......
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- Write the sum of the series 2+4+6+8+...........+2n
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- Write the sum of the series 1^2-2^2+3^2-4^2+5^2-6^2...........+(2n-1)^...
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- Write the sum of n term fo a series whose r^(t h) term is: r+2^rdot
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- If sum(r=1)^n r=55 , F i nd sum(r=1)^n r^3dot
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- If the sum of first n even natural numbers is equal to k times the sum...
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- Write the sum of 20 terms of the series: 1+1/2(1+2)+1/3(1+2+3)+
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- If tn denotes the nth term of the series 2+3+6+11+18+... then t(50) ...
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- Let Sn denote the sum of the cubes of the first n natural numbers and ...
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- If sumn=210, then sumn^2=
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- If 1+(1+2)/2+(1+2+3)/3+ddotto\ n terms is Sdot Then, S is equal to a. ...
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