Question

3
27
5n-3
5) If for a sequence, t = 3n-3, show that the
sequence is a G.P. Find its first term and the
common ratio.
6) Find three numbers in G.P. such that their
sum is 21 and sum of their squares is 189.
7) Find four numbers in G.P. such that sum of
the middle two numbers is 10/3 and their
product is 1.​

Answer 1

Answer:

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