the first term of gp is 4 n 4 th term ois 108 .find common ratio
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a4 = ar³
a1 = a
divide both the equations
a4/a1 = ar³/a
108/4 = r³
r³ = 27
r = 3√27
r = 3
a1 = a
divide both the equations
a4/a1 = ar³/a
108/4 = r³
r³ = 27
r = 3√27
r = 3
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