x+2 is a factor of f(x)=2x3−ax2−bx+20. When f(x) is divided by (x−1), the remainder is 12. The value of a and b is:

x+2 is a factor of f(x)=2x3−ax2−bx+20. When f(x) is divided by (x�

1.	x+2 is a factor of f(x)=2x3−ax2−bx+20. When f(x) is divided by (x−1), the remainder is 12. The value of a and b is:
Answer» $x + 2 is a factor of f (x) = 2 x^{3} - a x^{2} - b x + 20. When f (x) is divided by (x - 1), the remainder is 12. The value of a and b is:$