Question

For which of the following quadratic equations is a + b = 5?
A) 2x? + 10x + 25 = 0
(B) x2 – 10x + 25 = 0
C) 3x2 + 15x – 16 = 0 (D) 3x2 – 15x + 16 = 0​

Answer 1

Answer:

simplify. 2+√3/2-√3 +2-√3/2+√3 +√3-1/√3

Answer 2

Answer:

correct answer is d since sum of roots a + b =5 . in that quadratic equation