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(1)/(5)n^(5)+(1)/(3)n^(3)+(1)/(15)*7n hA...

(1)/(5)n^(5)+(1)/(3)n^(3)+(1)/(15)*7n hArr sqrt(40)" wर "varphi5 pi^(@)

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For n in N,(1)/(5)n^(5)+(1)/(3)n^(3)+(7)/(15)n is

If ninNN , then by princuple of mathematical induction prove that, (1)/(5)n^(5)+(1)/(3)n^(3)+(1)/(15)*7n is an integer.

If (1)/(1!(n-1)!) + (1)/(3!(n-3)!) + (1)/(5!(n-5)!) +…. =

(1)/(1!(n-1)!)+(1)/(3!(n-3)!)+(1)/(5!(n-5)!)+ . . . Equals:

For all n in N, (n^(5))/(5)+(n^(3))/(3)+(7n)/(15) is

If the sums of n terms of two arithmetic progressions are in the ratio (3n+5)/(5n+7) , then their n t h terms are in the ratio (3n-1)/(5n-1) (b) (3n+1)/(5n+1) (c) (5n+1)/(3n+1) (d) (5n-1)/(3n-1)

If the sums of n terms of two arithmetic progressions are in the ratio (3n+5)/(5n+7) , then their n t h terms are in the ratio (3n-1)/(5n-1) (b) (3n+1)/(5n+1) (c) (5n+1)/(3n+1) (d) (5n-1)/(3n-1)

For all n in N, (n^(5))/(5)+(n^(3))/(3)+(7)/(15n) is