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JEE Advance 2022
Paper-1
Multiple correct answers - Select all that apply
Question
Let $a_1, a_2, a_3, \ldots$ be an arithmetic progression with $a_1=7$ and common difference 8 . Let $T_1, T_2, T_3, \ldots$ be such that $T_1=3$ and $\mathrm{T}_{n+1}-T_{\mathrm{n}}=a_n$ fo $n \geq 1$. Then, which of the following is/are TRUE ?
Select ALL correct options:
A
$T_{20}=1604$
B
$\sum_{k=1}^{20} T_k=10510$
C
$T_{30}=3454$
D
$\sum_{k=1}^{30} T_k=35610$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
⚠ Partially correct. Some answers are missing.
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JEE Advance
Mathematics
Easy
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