Question

If the sum of two roots of x^3+ax++b=0 is zero then b ​

Answer 1

Answer:

0 Answer

Step-by-step explanation:

letα,−α,βbetheroots

Givensumoftherootsiszero

α−α+β=0

β=0

Thereforeproductoftherootsiszero,i.e.,b=0

Answer 2

Answer:

we get sum of roots = -b/a

= -a/1=-a =0

b= c/a= b/1=b