Q1.1 2 Points What is the coefficient of the term a?66 of the following expression? (e.g. The coefficient of xy2 in the expression "17xy2 + xc6 + 2y", is 17) - (2a 362) 10 -k Hint: Choosing the correct "2" and "Y" in the formula (x + y)" = [h=0 (7) xkyn-k will help you reach that a?66 term much faster! Also, watch out for the sign in your answer! 0 7 Q1.2 2 Points Evaluate the following expression where p is any real number, and n is a positive integer: n n (; (*) p*(1 + p)* k=0