Question

6- Find the roots of the equation x3 + 14x2 + 56x - 64 = 0
roots being in AP
(A) 2, 4,8
(B) -2,-4,-8
(C) 2, 2, -1
(D) 2, 2, 1​

Answer 1

Answer:

option B)-2,-4,-8

Step-by-step explanation:

sum of roots = -(14)/1=-14

only 1 option will give this sum.