Let be in GP with for and S be the set of pairs (r, k), r, k( the set of natural numbers) for which
Then the number of elements in S, is:
4
Infinitely many
10
2
Geometric Progession (GP) -
A progression of non - zero terms, in which every term bears to the preceding term a constant ratio.
- wherein
eg 2, 4, 8, 16,- - - - - -
and
100, 10, 1, 1/10,- - - - - - -
General term of a GP -
- wherein
first term
common ratio
Apply coloumn operation
we get D = 0
OR
are in G.P.
assume
Since are in G.P. with common ratio 1
So,
Value of D become 0.
4
Option 2)Infinitely many
Option 3)10
Option 4)2
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