Question

the polynomials kx^3 +3x^2-8 and 3x^3 - 5x + k are divided by x + 2. if the remainder in each case is the same, find the value of k.​

Answer 1

Step-by-step explanation:

x+2 is a factor of given eqns

so we put x=-2

-8k+12-8=-24+10+k

-8k+4=-14+k

18=9k

k=18/9

k=2