If 5th and 8th terms of a G.P. be 48 and 384 respectively. Find the G.P.
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Answered by
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Step-by-step explanation:
a5 = 48, a8 = 384, to find G.P
=> a5 = ar⁴ = 48
=> a8 = ar⁷ = 384
=> a8/a5 = ar⁷/ar⁴ = 384/48
=> r³ = 8
=> r = 2
ar⁴ = a×16 = 48
=> a = 3
therefore G.P => 3, 6, 12, 24 ........
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