1.

If α + β + γ = 5, αβ + βγ + γα = 7 and αβγ = 3, then the equation where roots are α, β and γ is:

A. x3 - 7 = 0
B. x3 - 5x2 + 7x - 3 = 0
C. x3 + 7x2 - 3 = 0
D. x2 + 7x2 + 3 = 0
Answer» C. x3 + 7x2 - 3 = 0


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