1.

Prove that, 1.3+3.5+5.7+.............+(2n-1)(2n+1)=(n(4n²+6n-1))/3.

Answer»

Prove that,

1.3+3.5+5.7+.............+(2n-1)(2n+1)=(n(4n²+6n-1))/3.



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