EricMartinez146 EricMartinez146
  • 22-10-2018
  • Mathematics
contestada

if you know that 7 - square root 5 is it root of a polynomial function

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Аноним Аноним
  • 01-11-2018

Answer:

As you must know, If one root of the polynomial 7-√5, the other will be 7+√5 i.e irrational root occur in pairs.

A polynomial function cannot have single unreal i.e irrational root. It always occur in pairs.

So , consider a polynomial function of any degree, if it has a root 7-√5, then it must have another root as 7+√5.

A polynomial can't have 7-√5 as a single root.  




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