Question on: WAEC Mathematics - 2003
Find the values of x for which ( \frac{1}{2x^2 - 13x +15} ) is not defined,
A
5 or \( \frac{3}{2} \)
B
1 or \( \frac{15}{13} \)
C
2 or 15
D
13 or 15
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Correct Option: A
The fraction is undefined when the denominator is equal to zero
(2x^2 - 13x + 15 = 0<br />
2x^2 - 3x - 10x + 15<br />
x(2x-3)-5(2x-3) = 0<br />
(2x-3)(x-5)=0<br />
x = \frac{3}{2} or x = 5)
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