Progression (Sequence and Series)Hard
Question
Find the sum of the series up to n term 1.3.5 + 3.5.7 + 5.7.9 + ..
Options
A.8n3 + 12n2 − 2n − 3
B.n (8n3 + 11n2 − n − 3)
C.n (2n3 + 8n2 + 7n − 2)
D.None of these
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