For finding a term in a sequence there are two ways to determine, Recursive way/formula for determining a term (say rth term) in a sequence a r = a r-1 + d for r>=2 (for last

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the first term of the sequence is ???-1??? the second term of the sequence is ???-2??? the third term of the sequence is ???-3??? the fourth term of the sequence is ???-4??? the

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Use the formula tn = a + (n - 1) d to solve for n. Plug in the last term ( tn ), the first term ( a ), and the common difference ( d ). [3] Work through the equation until youâ€™ve solved for n. [4] For example, start by writing: -61 = 107 +

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