প্রশ্নঃ
x2 + x - 2 > 0 অসমতাটির সমাধান করুন?
-
ক.
{-2, 1}
-
খ.
(-2, 1)
-
গ.
(-∞, -2)∪(1, ∞)
-
ঘ.
(-2, ∞)
উত্তরঃ খ
 {-2, 1} খ) (-2, 1) গ) (-∞, -2)∪(1, ∞) ঘ) (-2, ∞) উত্তর: খ) (-2, 1)
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