The sum of the series \[{{1.3}^{2}}+{{2.5}^{2}}+{{3.7}^{2}}+..........\]upto \[20\] terms is [IIT 1973]

The sum of the series \[{{1.3}^{2}}+{{2.5}^{2}}+{{3.7}^{2}}+..........

1.	The sum of the series \[{{1.3}^{2}}+{{2.5}^{2}}+{{3.7}^{2}}+..........\]upto \[20\] terms is [IIT 1973]
A.	188090
B.	189080
C.	199080
D.	None of these
Answer» B. 189080

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The sum of the series \[{{1.3}^{2}}+{{2.5}^{2}}+{{3.7}^{2}}+..........\]upto \[20\] terms is [IIT 1973]

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