Question

Find a cubic polynomial equation with roots -2, 2 and 4. *

Answer 1

Answer:

x³- 4x² -4x +16

Step-by-step explanation:

summation of roots(p) =4

summation of product of roots taken two at a time(q) =-4

product of roots(r) =-16

therefore, required polynomial,

x³- (p)x² + (q)x -(r)

= x³- 4x² -4x +16

Hope this helps you.