Answer:
In Real numbers: none (defined for all real numbers)
In Complex numbers: not defined for x = 2i, -2i
Step-by-step explanation:
Fraction becomes undefined when the denominator = 0
x² + 4 = 0
Has no real solutions
The fraction is defined for all real values of x
x² + 4 = 0
x² = -4
x = 2i, -2i
The fraction is not defined for x = +/-2i (in Complex Numbers)
Answer:
NONE
Step-by-step explanation:
The function 5x^2+x+1 / x^2+4 is defined for all real numbers because the denominator x² + 4 ≠ 0 for all real numbers
