Question

Find 12th term of a gp. Whose 8th term is 192and the common ratio is 2

Answer 1

Answer: 3072

Step-by-step explanation:

arⁿ⁻¹ = term

r = 2

a(2)⁸⁻¹ = a(2)⁷ = 192 = a*128=

= a = 192/128 = 3/2

12th term = 3/2 * 2¹¹ = 3*2¹⁰ = 3*1024 = 3072

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