Question

When you solve the equation x^3-3x^2+2x=0, how many roots are greater than 1/2?

Answer 1

hello :
x^3-3x^2+2x=0
x(x²-3x+2) = 0
x(x-1)(x-2) = 0
x = 0 or x-1 = 0 or x-2= 0
x = 0 or x = 1 or x = 2
two roots are greater than 1/2 : 1 and 2