Question

If p+q=10 and pq=20; find p^2 + q^2​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

given,

p + q = 10 and Pq = 20

then,

p2 = 10 ^ 2 + q ^ 2 = 20^ 2

so,

100 - 400 = 300