Well i know by looking for sure it is not D or C. so that eliminates 2 answers which leaves A and B. i believe the best answer for this is A. if i am wrong please let me know, if i am correct then let me know swell. hope this helps.
Answer:
2,4
Step-by-step explanation:
I could be wrong but the equation would be 6-2 and 1+1
First row all correct second rows all wrong and the first on of third row is correct be the last two are incorrect
Answer:
x^3 - 2x^2 + 9x - 18.
Step-by-step explanation:
The complex roots occur in conjugate pairs so there are 3 roots 2, 3i and -3i.
So we have:
P(x) = (x - 2)(x - 3i)(x + 3i)
= (x - 2)(x^2 - 9i^2)
= (x - 2)(x^2 - 9*-1)
= (x - 2)(x^2 + 9)
= x^3 + 9x - 2x^2 - 18
= x^3 - 2x^2 + 9x - 18.
