Determine the sum of the multiple s of 4 between 1 and 999

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Need on this geometry question. explain how you did it.

52 cm radius = diameter = area = circumference = circumfer