Question

The ratio of sum of n terms of two APs is (7n+1):(4n+27). Find the ratio of their 5th terms​

Answer 1

Answer:

64/63

Step-by-step explanation:

s1/s2 = (n/2 ( 2a +(n-1)d))/ (n/2 (2A+(n-1)D))

dividing by two on both sides (a+(n-1)d/2)/(A+(n-1)d/2) = 7n+1/4n+23 put 9 to get the answer.

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