The 4th term of a G.P is square of its second term & the 1st term is 3.
Determine its 7th term
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Answered by
1
Answer:
2187
Step-by-step explanation:
Given a=3; & ar³=(ar)² in a G.P
consider ar³=(ar)²
=> 3*r³=(3r)²
=> 3r³= 9r²
=> r³/r² = 9/3
=> r = 3
∴ 7th term = ar⁶ = 3(3⁶) = 3⁷ = 3*3*3*3*3*3*3 = 2187
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18
Answer:
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