09-12-2020
Mathematics

contestada

If x-2 is one of the factors of x^4-kx^2+4, find the value of k.

Respuesta :

Аноним Аноним

09-12-2020

Step-by-step explanation:

Given expression is x⁴-kx²+4 =0

x−2 is a factor of the given expression.

So, x=2

Substitute in the equation, we get

2⁴-k(2)²+4

⇒16+4k+4=0

⇒4k=−20

⇒k=−5

Answer Link

Otras preguntas

need help. arrange the polynomial in descending order, x5+x+2x³+6+2x²= ______

cell walls of the kingdom plantae is made of what?

Please help me with this, I don't get it!

a rock is dropped into a well hits the water in 5 secs. if there is no air resistance, what would be the rocks final speed?

Complete the Square2x(squared)+8x+10

Convert 1.00atm of pressure to its equivalent in millimeters of mercury.

20. In a chemical reaction, dynamic equilibrium occurs when the rate of the forward reaction becomes precisely equal to the rate of the reverse reaction. All o

In 1787 delegates met in Philadelphia . they came from all of the 13 states except

the dimensions of a 10 ft by 6 ft rectangle are multiplied by 1/3. how is the area affected?

Solving by factoring 10p²+6=476