1.

S_(n) = 1^(3) + 2^(3) + 3^(3) + …... + n^(3)and T_(n) = 1+ 2 + 3+ 4…...n

Answer»

`S_(N) = T_(n)^(3)`
`S_(n) = T_(n^2) `
`S_(n) = T_(n)^(2)`
`S_(n) = T_(n)^(3)`

ANSWER :C


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