Question

If the product of roots of the equation given below is 4, then find the value of m.

Answer 1

m=-2

Explanation:

As the product of the roots of a quadratic equation is c/a in ax^2+bx+c=0

here a=2, b=+8, c=-m^3

Given c/a=4

-m^3/2=4

-m^3=8

m^3= -8

m=-2.