Find the sum to n terms of the sequence, 8, 88, 888, 8888…

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asked Feb 10, 2018 in Mathematics by Rohit Singh (61,782 points) 35 133 354
Find the sum to n terms of the sequence, 8, 88, 888, 8888…

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answered Feb 10, 2018 by sameer (82,980 points) 5 11 37

The given sequence is 8, 88, 888, 8888…

This sequence is not a G.P. However, it can be changed to G.P. by writing the terms as Sn = 8 + 88 + 888 + 8888 + …………….. to n terms

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