Solve the following equation for x X-5 divided by 2 =-6

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

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Standard deviation of 19,29,21,22,23