If `p` and `q` are the roots of `ax^2 - bx + c = 0, a != 0,` then find the value of `p + q.`

If p and q are the roots of x^2 + px + q = 0 , then find p.

If p and q are the two roots of the equation x^2 + px + q = 0 , then find the value of p____

If p and q are the roots of the equations x^(2) - 3x+ 2 = 0 , find the value of (1)/(p) - (1)/(q)

If p and q are the roots of the quadratic equation x^(2)+px-q=0 , then find the values of p and q.

If p and q are the roots of the equation x^2-p x+q=0 , then

If p and q are the roots of x^(2)+px+q=0 then find p.

Let A and B be two independent events with P(A) = p and P(B) = q. If p and q are the roots of the equation ax^(2) + bx + c = 0 , then the probability of the occurrence of at least one of the two events is

Let A and B be two independent events with P(A) = p and P(B) = q. If p and q are the roots of the equation ax^(2) + bx + c = 0 , then the probability of the occurrence of at least one of the two events is