Is 9.68 a rational number?

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

Adeposit of 5500 at 6% for 3 years equals

Collin did the work to see if 10 is a solution to the equation r/4=2.4