allery2 سے شروع کریں؛ متبادل ×2+a، پھر ×3−b، a,b ہر ایک 1–4 کے ساتھ۔ بالکل ایک دوسری اصطلاح غلط ہے:2,8,19,41,121,245۔ اس کا نعم البدل؟
A6
B8
C9
D7
Answer & Solution
Correct answer: D. 7
صرف a=3,b=2 ایک اصطلاح کے علاوہ تمام پر فٹ بیٹھتا ہے، 2,7,19,41,121,245 دیتا ہے۔
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