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helper210629
helper210629 helper210629
  • 27-12-2016
  • Mathematics
Answered

which of the following quartic functions has x=-1 and x=-2 as its only two real zeros?


x^4-3x^3+3x^2-3x+2

x^4+3x^3+3x^2-3x-2

x^4+3x^3+3x^2+3x+2

x^4-3x^3-3x^2+3x+2

Verified Answer :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 10-01-2017

x^4 - 3x^3 + 3x^2

  • 3x + 2

x = 1 and x = 2

 

x^4 +
3x^3 + 3x^2 - 3x - 2

x = -0.5147 and x = 0.8516

 

x^4 +
3x^3 + 3x^2 + 3x + 2 so this function is the answer

x = -2 and x = -1

 

x^4 -
3x^3 - 3x^2 + 3x + 2

x = -
1  x= 1

 

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