Question

the first form of g.p is 20 fourth form of g.p is 540 find common ratio​

Answer 1

hi frnd....

given that........

in a GP.......

first term a =20

fourth term a4 =540

a4=540

a × r^3 =540

20 × r^3 = 540

r^3 = 27

r = 3

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