Math, asked by richurizwana666, 2 months ago

20th term of an arethemetic sequence is 50 and its 50th term is 20 find its common difference

Answers

Answered by Anonymous

1

Step-by-step explanation:

a20 = a+19d

50= a+19d. ...1

a50=a+49d

20= a+19d. ...2

so, common difference is 0

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