IndigoLearn

Query

How to solve this

Attachments

IMG-20210111-WA0000.jpg


Reetikaa  R

Reetikaa R

CA Foundation

4K+

11-Jan-21 17:19

16

Answers (1)

4(1+11+111+........upto n terms) Multiply and divide by 9 4/9 ( 9 + 99 + 999 .... n terms) 4/9 ( 10-1 + 10^2-1 + 10^3-1 .... n terms) 4/9 ( 10 + 10^2+ 10^3.... n terms) - (1+1+1... n term)


Suraj Lakhotia

Suraj Lakhotia

Admin

12-Jan-21 09:01