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Class 10 Mathematics Arithmetic Progressions (AP)Finding the $n$th term of an APMedium

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What will be the (19)th term of the AP (-20,-14,-8,\ldots)?

Answer and explanation

Correct answer: (88)

Here (a=-20), (d=6), so (a_{19}=-20+18\times6=88). In an increasing AP starting negative, add carefully at the end.

Related tags

Ap Integer-Ap Nth-Term Class10 Finding The $N$Th Term Of An Ap Finding The N Th Term Of An Ap Arithmetic Progressions (Ap)Arithmetic Progressions Ap

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