Question

8. Find the sum and product of roots
for the given polynomial: 2 x
2+x-5=0
1
5
A.
2.
2
1 5
B.
C.
2'2
1 5
2'2
D. 2,5​

Answer 1

Answer:

By using (a + b)^2 = a^2 + b^2 + 2ab We can see that (x + 1)^2 = x^2 + 2x + 1 So x^2 + 2x + 1 = 0 can be written as (x + 1)^2 = 0 which is x + 1 = 0 So ... More