Question

If p + q = 12 and pq = 14, then p²+ q²= *​

Answer 1

Answer:

(p +q)^2 = p^2 + q^2+ 2pq

(12)^2 = p^2 + q^2 + 14

p^2 + q^2 = 144 - 14 = 130

Step-by-step explanation:

Using formula(a + b)^2 = a^2 + b^2 + 2ab

and thus putting the values and we got the answer.Hope it's helpful.