Question

Which of the following is the correct solution set of the equation x⁴ - 5x² + 4 = 0? A. (1,4) B. (-4,-1,1,4} C. {1,2} D. (-2,-1,1,2}​

Answer 1

Answer:

c:〔1 and 2〕

Step-by-step explanation:

substitute the choices