An A.P. written in standard form starts with a and then:
Aa minus d
Ba over d
Ca plus d
Da times d
Answer & Solution
Correct answer: C. a plus d
1. Each term adds the common difference to the previous one.
2. The second term is therefore the first term plus d.
3. So the sequence runs a, a plus d, a plus 2d and so on.
_Source: NCERT Class 11 Mathematics, Chapter 9, Sequences and Series._
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