64,017 views
18 votes
18 votes
Which of the following numbers is NOT a potential rational root off(x)=18x³-9x² - 5x + 2

Which of the following numbers is NOT a potential rational root off(x)=18x³-9x² - 5x-example-1
User Morvader
by
2.3k points

1 Answer

22 votes
22 votes

The given equation is,


f\mleft(x\mright)=18x^(3)-9x^(2)-5x+2

Equate the above function to zero and factorise.

It can be factorsied as,


undefined

User Daniel McQuiston
by
2.5k points