If 2 + i is a root of the equation x2 - ax + 1 = 0, then the value of – McqOptions

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1.	If 2 + i is a root of the equation x2 - ax + 1 = 0, then the value of a is:
A.	2
B.	4
C.	1
D.	8
Answer» C. 1

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