Find the sum of 2x terms of the series ( 12 - 22 + 32 - 42 + ___ ) – McqOptions

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1.	Find the sum of 2x terms of the series ( 12 - 22 + 32 - 42 + ___ )
A.	x ( 2x + 1 )
B.	- x2 ( 2x + 1 )
C.	x ( 2x + 1 )
D.	-x ( 2x + 1 )
Answer» C. x ( 2x + 1 )

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