Question

THE 10TH TERM FROMTHE END OF THE AP -5,-10,-15,....,-1000 IS = an =a+(n-1)d ;-1000=-5+(n-1)-5;-1000+5=
(n-1)-5;-995=(n-1)-5 ;-995/-5=n-1;199+1=n; n=200;now 10th term from the end is 190 but how we get it like this

Answer 1

Answer:

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