Question

ax^4 + bx^3 + cx^2 +dx + e ,what is the conditons that the curve has point of inflection?

Answer 1

@myininaya

Answer 2

take the derivative twice, you will get a quadratic
then make sure that your quadratic has real zeros, make making sure that the discriminant is \(\geq 0\)

Answer 3

clear or you need the steps?

Answer 4

i got it!!

Answer 5

k