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Permutations And Combinations
Here, a, b, c are in G.P. Let r be common ratio of G.P.
∴ b = ar, c = ar2,
Now, will be in G.P.
if or if
or if or if r = r which is true.
Hence, if a, b, c are in G.P. then are also in G.P.
Sponsor Area
Determine K, so that K + 2, 4K – 6 and 3K – 2 are three consecutive terms of an A.P.
Sponsor Area