Q. 62

The numb

Answer :


As per question, the number of bacteria in a certain culture doubles every hour. So, they form a G.P. in which a = 30 and r = 2.

Bacteria present after 2nd hour, 4th hour and nth hour are T3, T5 and Tn+1 i.e., ar2, ar4 and arn.

i.e., 30(2)2, 30(2)4 and 30(2n) respectively.

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