Answer:
a = 9
b = 7
Explanation:
For the given polynomial 2x³ - ax² + bx + 6 to be exactly divisible by x² - 5x + 6, it means it must also be divisible by the individual factors of x² - 5x + 6.
So let's factorize x² - 5x + 6.
Factorizing it gives us;
(x - 2)(x - 3)
Thus means that the given polynomial should be exactly divisible by either (x - 2) or (x - 3).
This means that at x = 2 or 3, the polynomial will equal zero.
Thus;
f(2) = 2(2)³ - a(2)² + b(2) + 6 = 0
16 - 4a + 2b + 6 = 0
Adding and Rearranging we have;
4a - 2b = 22
Divide through by 2 to get;
2a - b = 11 - - - (eq 1)
Similarly;
f(3) = 2(3)³ - a(3)² + b(3) + 6 = 0
54 - 9a + 3b + 6 = 0
Adding and Rearranging we have;
9a - 3b = 60
Divide through by 3 to get;
3a - b = 20 - - - (eq 2)
Subtract eq 1 from eq 2 to get;
3a - 2a - b - (-b) = 20 - 11
a = 9
Put 9 for a in eq 2 to get;
3(9) - b = 20
27 - b = 20
b = 27 - 20
b = 7
Answer:A cantando
Explanation:because it says no cantes so that could mean she was cantando
una campaña de marketing es el esfuerzo de un negocio para darse a conocer u obtener clientes interesados en una oferta específica. (producto, precio, promoción y distribución). Se trata de cuatro variables que son estrictamente necesarias de definir por parte de la empresa.
Espero que te ayude
Answer: Tú andas cada día.
Explanation: Andas
<span>intelligent and witty. He was fascinated with what he saw in the New World while traveling with Christopher Columbus. He was surprised at the diversity of the Native Americans as they were skilled at different task and how each tribe had its own language. </span>