Problem 1 For the following function one zero is given Find

Problem 1 For the following function, one zero is given. Find all the others.

Problem 2 How many quarts of pure antifreeze must be added to 8 quarts of a 20% antifreeze solution to obtain a 50% antifreeze solution.

Solution

(1) a = 3 and (3 + i)

(2) 4 parts must be added to obtain 50% antifreeze solution .

Answer