Question

1. If the polynomial 3x^3 - 4x^2 - 17x -k is exactly divisible by x - 3, then the value of k is
a. 6
b. 5
C.-5
d. -6
2. if one of the zeroes of the cubic polynomial x^2+ax^2+bx+c is -1 , then the product of the other two zeroes is
a. b-a+1
b. b+a+1
c. b+a-1
d. b-a-1
3. If '2' is the zero of both the polynomials 3x^2 +mx - 14 and 2x^3 + nx^2+x-2, then the value of m - 2n is
a 5
b. - 1
C. 9
d -9​

Answer 1

Step-by-step explanation:

I am sorry I am not able to solve the 2nd one

and also I am not sure about 3rd though I have rechecked it but it was not in the options