Which of the following can be used to evaluate this series? the sum from k is equal to 1 to 8 of 5
A
5 times open paren the fraction with numerator 1 minus 2 thirds to the 9th power and denominator 1 minus 2 thirds close parenB
5 times open paren the fraction with numerator open paren 1 minus 2 thirds close paren to the 8th power and denominator 1 minus 2 thirds close parenC
5 times open paren the fraction with numerator 1 minus 2 thirds to the 7th power and denominator 1 minus 2 thirds close parenD
5 times open paren the fraction with numerator 1 minus 2 thirds to the 8th power and denominator 1 minus 2 thirds close paren