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As per your syllabus, the nth term of an AP with first term a and common difference d is given by which formula?

Atₙ = a + (n − 1)d
Btₙ = a × n + d
Ctₙ = a × dⁿ⁻¹
Dtₙ = a + n × d
Answer & Solution
Correct answer: A. tₙ = a + (n − 1)d
As per your syllabus, nth term of AP = a + (n − 1)d. The other formulas misstate or describe GP.
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