Which of the following is one way the expression the sum from n is equal to 18 to 64 of open paren 1 half close paren can be rewritten using summation properties?
Answer
A
1 half times open paren the fraction with numerator 64 times 65 and denominator 2 close paren minus 1 half times open paren the fraction with numerator 19 times 20 and denominator 2 close paren
B
1 half times open paren the fraction with numerator 64 times 65 and denominator 2 close paren minus 1 half times open paren the fraction with numerator 17 times 18 and denominator 2 close paren
C
1 half times open paren the fraction with numerator 64 times 65 and denominator 2 close paren
D
1 half times open paren the fraction with numerator 46 times 47 and denominator 2 close paren