Simplify the radical expression. Indicate if the expression is not a real number.

A.  
B.
C.  
D.  


Answer: A

Mathematics

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Factor the expression completely. ? 4x4 + 1 + 3x2 ?

A. (2x2 + x + 1) (2x2- x + 1) B. (2x2 + x- 1) (2x2- x + 1) C. (2x2 + x + 1) (2x2-x- 1) D. (2x2-x + 1) (2x2-x + 1)

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A. y = 0 B. y = -1 C. y = 1 D. None

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