For what values of y is the expression frac 6y-... - WAEC Mathematics 2005 Question
For what values of y is the expression (\frac{6y-1}{y^2 - y-6})
A
\(\frac{1}{6}, \frac{1}{4}\)
B
3, -2
C
-3, 2
D
0,1
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Correct Option: B
The expression is not defines when y2 - y - 6 = 0
=> y2 - 3y + 2y - 6 = 0 => (y-3)(y+2) = 0 => y
-3 = 0 or y + 2 = 0 => y = 3 or -2
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