It looks so simple but i dont get it?!?!?!

s = | 5 | + |−5 | = 5 + 5 =

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

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)