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| $S.No.$ | $a$ | $d$ | $n$ | $a_{n}$ |
| $(i)$ | $7$ | $3$ | $8$ | $...$ |
| $(ii)$ | $-18$ | $...$ | $10$ | $0$ |
| $(iii)$ | $...$ | $-3$ | $18$ | $-5$ |
| $(iv)$ | $-18.9$ | $2.5$ | $...$ | $3.6$ |
| $(v)$ | $3.5$ | $0$ | $105$ | $...$ |
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