Find a function P(x) of least possible degree, having real coefficients, with the given zeros.3 + 
, 3 - 
, and 3
A. P(x) = x3 - 11x2 + 21x + 11
B. P(x) = x3 - 9x2 + 21x - 9
C. P(x) = x3 + 9x2 + 21x - 9
D. P(x) = x3 - 11x2 + 21x + 9
Answer: B
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A. u
B. 
C. 
D. 