Question

the ratio of sum of twi n terms of an ap is 7n+1/4n+27 find the ratio of their mth terms?
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Answer 1

Answer:

The ratio of the sum of n terms of two A.P's is (7n+1):(4n+27) . Find the ratio of m terms. = [7(2m – 1) + 1] : [4(2m – 1) +27] [14m – 7 +1] : [8m – 4 + 27] = [14m – 6] : [8m + 23] Thus the ratio of mth terms of two AP's is [14m – 6] : [8m + 23].

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