hickslea2826 hickslea2826
  • 16-02-2017
  • Mathematics
contestada

If the roots of a quadratic equation are 1±√5, then the product of the roots is:

Respuesta :

Kerbal27
Kerbal27 Kerbal27
  • 16-02-2017
(1+sqrt(5))(1-sqrt(5))

FOIL

1 - sqrt(5) + sqrt(5) - 5

-4
Answer Link
erato erato
  • 19-06-2019

Answer with Step-by-step explanation:

We are given roots of a equation to be:

1+√5 and 1-√5

We have to find its product

i.e. we have to find the value of (1+√5)(1-√5)

(1+√5)(1-√5)=1(1-√5)+√5(1-√5)

                   =1-√5+√5-5

                   = -4

Hence, product of the roots of a quadratic equation with roots 1±√5 is:

-4

Answer Link

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