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If the sum of n terms and 2 AP are in the ratio 3n + 5 ratio 5n+ 7 then there and nth term are in the ratio |
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Answer» Answer: In the ratio 3n + 5 : 5n + 7, if you put the value of n as 2N - 1, then you'll GET the ratio of nth TERMS. So this is the answer. So remember this that, if the ratio of SUMS of two APs are in the ratio an + b : cn + d, then put the value of n as 2k - 1 to find the ratio of kth terms. |
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