Question

Find the AP whose last term is 100 and the sum of the first six terms is 5 times the sum of next six terms.

Plz solve it step by step ...
And ans of above question is 100,90,80.​

Answer 1

Answer:

Step-by-step explanation:

An=a+(n-1)×d

Put values in this formula

Answer 2

Step-by-step explanation:

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