Lukecrayonz
  • Lukecrayonz
How many imaginary and real zeros the function have? f(x)=x^4+12x^3+37x^2+12x+36
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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ganeshie8
  • ganeshie8
Descartes rule of signs, first find out # of positive and negative real zeroes
Lukecrayonz
  • Lukecrayonz
Is it 4 imaginary?
ganeshie8
  • ganeshie8
u got 0 positive roots, and 4/2/0 negative zeroes is it ?

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ganeshie8
  • ganeshie8
if u see 4 sign changes in f(-x), then there CAN be 4 or 2 or 0 negative zeroes.
ganeshie8
  • ganeshie8
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ganeshie8
  • ganeshie8
thats one set of possible # of roots, we need to decrease -ve zeores by 2, and find other possible sets.
anonymous
  • anonymous
What does your question say exactly? Are you supposed to identify how many or just the possible combinations?

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