if the ratio of n terms of two ap's is (3n +8) : (7n +15), then the ratio of 12th terms is ???
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ratio of nth term is (3n+8):(7n+15)
so to find ratio of 12 th term put n=12
so acc to this
(3*12+8):(7*12+15)
=(36+8):(84+15)=44:99=4/9
so to find ratio of 12 th term put n=12
so acc to this
(3*12+8):(7*12+15)
=(36+8):(84+15)=44:99=4/9
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