7. When the polynomial 2x3+mx2+nx−7 is divided by (x−2) the remainder is −7. When the polynomial is divided by (x+1) the
Posted: Wed Jul 13, 2022 5:05 am
7. When the polynomial 2x3+mx2+nx−7 is divided by (x−2) the remainder is −7. When the polynomial is divided by (x+1) the remainder is −16. Determine the values of both m and n. 2x3+mx2+nx−7=−72x3+mx2+nx−7=−16 8. Given P(x)=5x3+mx2+nx+4. If P(−1)=8 and P(2)=62 determine m and n.