The 6th term of a G.P. is 32, its 8th term is 128, find the common ratio of the G.P.

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ഒരു ജി.പി.യുടെ ആറാം പദം 32 ആണ്, അതിന്റെ 8-ാമത്തെ പദം 128 ആണ്, G.P യുടെ പൊതു അനുപാതം കണ്ടെത്തുക

Answer:

T6 = 32 and T8 = 128 ⇒ ar^5= 32 ….. (i) ar^7= 128 …..(ii) (ii)/(i) ⇒ ar^7/ar^5 = 128/32 r^2 = 4 r = 2

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