Question

If p and q are the zeros of the polynomial p(X)=3x²-12x+15, find the value of p²+q²​

Answer 1

Answer:

11

P+q =12/3 =4

pq =15/3=5

p+q=4

Squaring both side

(p+q)^2= 16

p^2 +q^2+2pq =16

p^2 + q^2 =16-5

P^2+q^2=11

Answer 2

5)333677458/67667"_7968-?8/_78