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If a and b are roots of x^2 - 6x + 4 = 0, then 1/a + 1/b equals
A3/2
B2/3
C6
D3/4
Answer & Solution
Correct answer: A. 3/2
1/a + 1/b = (a+b)/(ab) = 6/4 = 3/2.
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