If [12 + 22 + 32 + ........202] = 2870, then find the value of [22 + 4 – McqOptions

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1.	If [1² + 2² + 3² + ........20²] = 2870, then find the value of [2² + 4² + 6² + ......40²].
A.	12580
B.	11480
C.	10800
D.	11440
Answer» B. 11480

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