Question

If p, q, r are roots of the equation$x^3 – 3x + 7 = 0$ then the value of$(p^3 + q^3 + r^3)$ is: pls answer fast it's urgent :)

Answer 1

Answer:

1

Step-by-step explanation:

because sums of roots of a cubic eq is always 1 ie alpha^2 + beta^2 + gamma^2 = 1