Recommended Questions
- 1^3+2^3+3^3+...+ n^3 = n^2(n+1)^2/4
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- 1^(3)+2^(3)+3^(3)+...+n^(3)=n^(2)((n+1)^(2))/(4)
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- S(n)=(1)/(1^(3))+(1+2)/(1^(3)+2^(3))+(1+2+3)/(1^(3)+2^(3)+3^(3))+........
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- Let P (n) = (2 ^ (3) -1) / (2 ^ (3) +1) * (3 ^ (3) -1) / (3 ^ (3) +1) ...
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- Evaluate: lim (n rarr oo) (1 * 2 + 2 * 3 + 3 * 4 + ... + n (n + 1)) / ...
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- Prove that 1*2+2*3+3*4+.....+n*(n+1)=(n(n+1)(n+2))/(3)
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- 1^(3)+2^(3)+3^(3)+.....+n^(3)=(n(n+1)^(2))/(4), n in N
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- 1^(3)+2^(3)+3^(3)+…..+n^(3)=(1)/(4)n^(2)(n+1)^(2)
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- If 1*1!+2*2!+3*3!+ . . .+n*n ! =(n+1)!-1 then show that, 1*1!+2*2!+3*3...
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