Math, asked by shreyapatil1, 1 year ago

find the sum of the sequence 7 , 77 , 777 , 7777 ,..... to n terms .?

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Answered by Brainlytrainer

17

▪️◾️◼️ ANSWER .

THIS attached file help you. any errors then contact in comment box.

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Answered by dwivedia1

4

hope this helps little tooo long

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