[" 9.For all "n in N,(n^(5))/(5)+(n^(3))...

[" 9.For all "n in N,(n^(5))/(5)+(n^(3))/(3)+(7)/(15n)" is any "],[[" (a) an integer "," (b) a natural number "],[" (c) a positive fraction "," (d) none of these "]]

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