Question

Find the value of a if (x-2), (2x-5) and (x-1) are the factors of the polynomial, 2x³-11x²+ax-10.

Answer 1

Answer:

Given: P(x)=x  

2

−2 x+5

For x=−1, P(−1)=(−1)  

2

−2(−1)+5=1+2+5=8

For x=5, P(5)=(5)  

2

−2(5)+5=25−10+5=20

Hence P(−1)=8 and P(5)=20

Step-by-step explanation: