A) (1, 1)
B) (- 1, 1)
C) (1, - 1)
D) (- 1, - 1)
Correct Answer: D
Solution :
\[\frac{2}{a}-\frac{3}{b}=1\] and \[\frac{4}{a}-\frac{5}{b}=1\] Þ \[b=-1,a=-1\].
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