Question

If x -2 and x - 1/2 are factors of px²– 5x³+ 5x + r, show that p = r.​

Answer 1

Answer:

f(x)=px  

2

+5x+r

f(2)=0 and f(  

2

1

​

)=0

4p+10+r=0 and  

4

p+4r+10

​

=0

4p+r=−10 and p+4r=−10

4p+r=p+4r

3p=3r

p=r

Step-by-step explanation: