1.

1^(2) + 3^(2) + 5^(2) + …. upto nterms =

Answer»

`( n (2n-1) (2n+1))/( 6)`
`(n (2n-1) (2n+1) )/(3)`
`(n (n+1) (2n+1) )/( 12)`
`(n (n+1) (2n-1) )/(6)`

Answer :B


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