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miajade2017 miajade2017
  • 11-02-2017
  • Mathematics
Answered

Without using a calculator, determine the number of real zeros of the function. F(x)=x^3+4x^2+x-6

Verified Answer :

miner3mj
miner3mj miner3mj
  • 11-02-2017

You use rational root theorem here and find that the factors can be {-6,-3,-2,-1, 1, 2, 3,6}
Then you test out all of them and whichever one works you use to factor and then factor as a normal quadratic

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