{an} is an arithmetic progression with an non-zero common difference.the sum of all terms between the fourth and the fourteenth is 77.find the number of the term of the sequence that is equal to 7.
{an} is an arithmetic progression with an non-zero common difference.the sum of all terms between the fourth and the fourteenth is 77.find the number of the term of the sequence that is equal to 7.
Chapter12: Sequences, Series And Binomial Theorem
Section12.2: Arithmetic Sequences
Problem 12.27TI: Write the first five terms of the sequence where the first term is 7 and the common difference is...
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{an} is an arithmetic progression with an non-zero common difference.the sum of all terms between the fourth and the fourteenth is 77.find the number of the term of the sequence that is equal to 7.
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