Question

Suppose cubic equation x-px + q = 0 has three
distinct & real roots (p,q> 0) then which of the
following is true for f(x) = x - px + 9
(a) maximum at p/3 & minimum at - p/3
(b) maximum at both p/3 and - p/3
(c) minimum at both Vp/3 and - Vp/3
(d) minimum at p/3 and maximum
at-Sp13​

Answer 1

hey there

refer to attachment

Answer 2

Answer:

★━━━━━━━━━━━━━━━━━★

$refer \: to \: attachment$

★━━━━━━━━━━━━━━━━━★