13. P(x) is a polynomial of third degree. Its leading coefficient is 3 and it is divisible by x2+1. Given the above, what is P(1)P(1) ? A) 12 B) 9 C) 7 D) 5 E) 3 13. P(x) is a polynomial of third degree. Its leading coefficient is 3 and it is divisible by x2+1. Given the above, what is P(1)P(1) ? A) 12 B) 9 C) 7 D) 5 E) 3