Question

which term of the GP 3, 9 ,27 .......is2187?​

Answer 1

Answer:

Step-by-step explanation:

a = a₁ = 3 ; a₂ = 9

Common ratio,r = a₂/a₁ = 9/3 = 3

nth term of GP : an = arⁿ⁻¹

2187 = 3(3)ⁿ⁻¹

2187 = 3¹⁺ⁿ⁻¹

3⁷ = 3ⁿ

n =  7

Therefore, 7th term of given GP is 2187

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Answer 2

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