Question

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Q.11. How many terms are there
in the G.P. 3. 6. 12. 24. .... 384.
is​

Answer 1

Answer:

Answer. Here a = 3 and r = 6/3 = 2. Let the number of terms be n. => n-1 = 7 => n = 8.

Answer 2

Answer:

a=3

difference=a2-a1

=6-3=3

an=384

n=?

an=a+(n-1)d

384=3+(n-1)3

384-3=3n-3

381+3=3n

384=3n

n=384/3

n=128