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हें . 2 पासून सुरू; पर्यायीपणान ×2+a, मागीर ×3−b, a,b दरेक 1–4. सारकें आनीक एक संज्ञा चुकीची आसा:2,8,19,41,121,245. ताचे सुवातेर?

A6
B8
C9
D7
Answer & Solution
Correct answer: D. 7
हें . फकत a=3,b=2 एक पद सोडल्यार सगळ्यांक बसता, ताका लागून 2,7,19,41,121,245 मेळटा.
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