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Per NCERT, the nth TERM of a GP with first term a and common ratio r is given by which formula?
Atₙ = a + (n − 1)r
Btₙ = a × n × r
Ctₙ = a + rⁿ
Dtₙ = a × rⁿ⁻¹
Answer & Solution
Correct answer: D. tₙ = a × rⁿ⁻¹
Per NCERT §8.6, nth term of GP = a × rⁿ⁻¹. The other formulas misstate.
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