3² + 6² + 9² +. ................n को पद...

3² + 6² + 9² +. ................n को पदो का योग है (a)2n(n+1)(2n+1)/3 (b)3n(3n+1)(2n+1)/2 (c)n(n+1)(2n+1)/3 (d)n(n+1)()2n+1)/36

3² + 6² + 9² +. ................n को पदो का योग है (a)2n(n+1)(2n+1...
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Prove that ((2n)!)/(2^(2n)(n!)^(2))<=(1)/(sqrt(3n+1)) for all n in N
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((2n+1)!)/((2n-1)!)*((n-1)!)/((n+2)!)=(3)/(5)
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If n is a positive integer, prove that 1-2n+(2n(2n-1))/(2!)-(2n(2n-1)(...
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lim(n rarr oo)((4+3n+n^(6))^((1)/(3)))/(1+3n+2n^(2))
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The sum of the series 1^2+3^2+5^2+.......\ n terms is a.(n(n+1)(2n+1))...
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lim(n -> oo) (((n+1)(n+2)(n+3).......3n) / n^(2n))^(1/n)is equal to
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((2n)/(n^(2)+1))+(1)/(3)((2n)/(n^(2)+1))^(3)+(1)/(5)((2n)/(n^(2)+1))^(...
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দেখাও যে , (2n)! = 2^n * n!{1*3*5……………(2n-1)}
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