The sum of the series 2⋅20C0 + 5⋅20C1 + 8⋅20C2 + 11⋅20C3 + … – McqOptions

MCQOPTIONS

1.	The sum of the series 2⋅20C0 + 5⋅20C1 + 8⋅20C2 + 11⋅20C3 + … + 62⋅20C20 is equal to:
A.	226
B.	225
C.	223
D.	224
Answer» C. 223

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