यदि \( t_{n} \) श्रेणी \( 2+3+6+11+18+\ldots \) के \( n \) वें पद को निर्दिष्ट करता है, तो \( t_...

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यदि \( t_{n} \) श्रेणी \( 2+3+6+11+18+\ldots \) के \( n \) वें पद को निर्दिष्ट करता है, तो \( t_{50} \) का मान है-
(A) \( 49^{2}-1 \)
(B) \( 49^{2} \)
(C) \( 50^{2}+1 \)
(D) \( 49^{2}+2 \)
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