Math, asked by cunnikrishnan26, 2 months ago

In an arithmetic sequence 10th term is 20 and 20th term is 10. 1) what is the common difference? 2) write the first term. 3) what is the algebraic expression for this sequence? 4) what is the 30 th term? Xn=dn+(f-d) using this equation​

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Answered by sheejaraninandanam
1

May be this is the answer.. I will not sure..

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