Question

Using switch statement,write a menu driven program for the following:(a)to find and display the sum of the series
S=x1-x2+x3-x4+x5-......-x20,where x=2
(b)to display the series:-
1,11,111,1111,11111
For an incorrect option an appropriate error message should be displayed

Answer 1

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Hope it helps so.

Note that ' SOP' means System.out.println

Answer 2

Explanation:

it was helpful.................