Question

if x = 1 by 3 is zero polynomial P X equal to 27 x cube minus ax square minus x + 3 then find the value of a

Answer 1

Step-by-step explanation:

at X = 1/3

27(1/3)³ - a(1/3)² - 1/3 + 3 = 0

27/27 - a/9 - 1/3 + 3 = 0

1 - a/9 + 8/3 = 0

1 + 8/3 = a/9

a/9 = 11/3

a = 99/3 = 33