Find the sum: 7+77+777+ upto n terms - Maths - Continuity and Differentiability

Question

Find the sum: 7+77+777+ upto n terms

Sunanta Meitei · Accepted Answer

Hi Heenal!
Here is the answer to your question
7 + 77 + 777 + … to n terms
Let Sn = 7 + 77 + 777 + … to n
terms
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"https://s3mn%20mnimgs%20com/img/shared/userimages/mn_images/image/SEv%20png"
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Hope you got the answer
Cheers!

Find the sum: 7+77+777+.....upto n terms.