If for a sequence {t (n)} , t (n) = (5 ^...

If for a sequence` {t _(n)} , t _(n) = (5 ^( n -2))/( 4 ^( n - 3))` show that the sequence is a G.P. Find its first term and the common ratio.

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The correct Answer is:

`t _(1) = ( 4)/(25), r = (5)/(2)`

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