asandasoso740 asandasoso740

03-06-2021
Mathematics

contestada

when
[tex] {x}^{3} + a {x}^{2} + 5x + 3[/tex]
is divided by
[tex]x + 2[/tex]
the remainder is b. Determine the value of b

Respuesta :

04-06-2021

x³ + ax² + 5x + 3. x + 2 = 0

x = -2

(-2)³ + a(-2)² + 5(-2) + 3 = 0

-8 + 4a - 10 + 3 = 0

4a - 15 = 0

4a = 15

a = 15/4

Answer Link

Otras preguntas

how many hundredths are in 0.5

why did some people treat native americans so badly?

If a fair quarter is flipped 3 times . What is the probability of getting exactly three heads? round to the neast thoudsands.

what is the main functions of lipids?

1. Compare the location of electrons in an atom based on Bohr's theory with the location of electrons in an atom based on the current atomic theory. 2. Rutherf

while your finger is still pushing the coin, there are four forces acting on the coin: what are they?

A packet is dropped from a stationary helicopter, hovering at a height 'h' from the ground level, reaches the ground in 12s. Calculate 1) value of 'h' "displac

Give a counter example to this statement. The quotient of two fractions between 0 and 1 is always a whole number.

How many counting numbers are between 30 and 65, not including 30 and 65?

A basketball rolls of a 0.70 m high desk and strikes the floor 0.25 m away from the base of the desk? How fast was the ball rolling?