FlyingUnicorn123 FlyingUnicorn123

26-04-2019
Mathematics

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Please help me

find the value of c so that (x+1) is a factor of the polynomial p(x) p(x)=cx^4+2x^2-13

Respuesta :

jimrgrant1 jimrgrant1

26-04-2019

Answer:

c = 11

Step-by-step explanation:

If (x + 1) is a factor of p(x) then x = - 1 is a root and

p(- 1) = 0, hence

c[tex](-1)^{4}[/tex] + 2(- 1)² - 13 = 0

c + 2 - 13 = 0

c - 11 = 0 ( add 11 to both sides )

c = 11

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