How can you convert this #x^3-x^2-x+1# into #(x-a)(x-b)(x-c)# ?
Is there any formula to convert this #x^3-x^2-x+1# into #(x-a)(x-b)(x-c)# .
If available please help me.
Is there any formula to convert this
If available please help me.
2 Answers
Jul 26, 2018
Explanation:
Given cubic polynomial:
Jul 26, 2018
Explanation:
#"note the sum of the coefficients"#
#1-1-1+1=0#
#"Thus "x=1" is a zero and "(x-1)" is a factor"#
#"dividing "x^3-x^2-x+1" by "(x-1)" gives"#
#(x-1)(x^2-1)#
#=(x-1)(x-1)(x+1)#