Question

If (x – 1) and (x + 2) are two factors of the polynomial 2x3 + mx2 – x – n, then the value of (m2 – n2) is –15 9 –11 24

Answer 1

Answer:

 If (x+1) and(x+2)are two factors of th polynomial 2x3+mx2-x-n then find the value of (m2-n2). 1. See answer ... (-7/4)+0 +(-9/5)+19/10+11/14Please help...... (b)by using ...