Question

p(x)=5x4-3x3+ax2+3x-2 sabe-se que P (11)=-3 .Nessas condições , calcule o valor de A

Answer 1

$P(x)=5x^4-3x^3+ax^2+3x-2\\\\ \boxed{\boxed{P(11)=-3}}\\\\ P(11)=5*(11)^4- 3*(11)^3 +a*(11)^2 + 3*(11)-2 =- 3\\\\121a + 69243 = -3\\\\121a=-69246\\\\a= \frac{69246}{121}$