Find the equation of the line. Use exact numbers y= __x+ __
HELPPP QUICKK 100 points

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

With alll of except for the 2 that i did already

What rotation was applied to triangle def to create d’e’f’?