Math, asked by shashank4770, 13 hours ago

the ratio of 11th term to 15th term of an A.P is 2:3.Find the ratio of sum of first 5terms to the sum of first 21 terms

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Answered by ranjnakumari2007

Answer:

The ratio of the 11th term to the 18th term of an AP is 2 : 3. the ratio of the 5th term to the 21st term, and also the ratio of the sum of the first five terms to the sum of the first 21 terms is 1:3; 5:49

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the ratio of 11th term to 15th term of an A.P is 2:3.Find the ratio of sum of first 5terms to the sum of first 21 terms​

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the ratio of 11th term to 15th term of an A.P is 2:3.Find the ratio of sum of first 5terms to the sum of first 21 terms