Question

the 3rd element of an ap is 25 and 10th element is - 3 find the first element and the common difference ​

Answer 1

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As the name suggests, the first term of an AP is the first number of the progression. It is usually represented by a1 (or) a. For example, in the sequence 6,13,20,27,34, . . . . the first term is 6. i.e., a1=6 (or) a=6.

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