September 23rd, 2018, 11:17 AM  #1 
Newbie Joined: Jun 2018 From: Brasil Posts: 20 Thanks: 0  polynomials
Check the alternative CORRETA that presents one of the zeros of the complex polynomial P (x) =  i · x³ + 2 · x²  2 + i? a) The complex number i. b) The whole number 1. c) The integer 1. d) The complex number 2 · i. Last edited by skipjack; September 23rd, 2018 at 04:45 PM. 
September 23rd, 2018, 12:50 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,787 Thanks: 708 
Trivially b). Just plug them in.

September 23rd, 2018, 12:59 PM  #3 
Newbie Joined: Jun 2018 From: Brasil Posts: 20 Thanks: 0  
September 23rd, 2018, 04:45 PM  #4 
Global Moderator Joined: Dec 2006 Posts: 20,833 Thanks: 2161 
Yes.


Tags 
polynomials 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Polynomials  renatomoraesp  Algebra  5  February 21st, 2016 06:03 PM 
Help with polynomials  n777l  Algebra  5  September 14th, 2013 03:25 PM 
polynomials  kunju  Algebra  5  February 1st, 2012 01:38 PM 
lagrange polynomials and polynomials...  ElMarsh  Linear Algebra  3  October 15th, 2009 04:14 PM 
Help with polynomials  n777l  Complex Analysis  1  December 31st, 1969 04:00 PM 