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Grade 12Algebra

For every x which belongs to a real number, the polynomial x8 – x5 + x2 – x +1 is
  1. positive
  2. never positive
  3. postitve as well as negative
  4. negative

Profile image of Sathvik Bhaskarpandit
9 Years agoGrade 12
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1 Answer

Profile image of Koushal Bhat
9 Years ago
THIS CAN BE POSITIVE AS WELL AS NEGATIVE ;
EG;X=1;
1-1+1-1+1=1
WHICH IS POSITIVE ,AND U CAN TAKE X=2;OR ANYTHING FOR NEGATIVE.