calculate 2 + - 2 + 2 + - 2 + 2 + - 2 if the number of terms is 140
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Answered by
1
by an= a + (n-1)d
therefore 380
Answered by
3
Hi friend.............
Here is your answer :-
2+-2+2+-2+2+-2
-6 +6 = 0
no. of term =140
a140 =0 ( a = no. of terms.)
Hope it helps.....
Here is your answer :-
2+-2+2+-2+2+-2
-6 +6 = 0
no. of term =140
a140 =0 ( a = no. of terms.)
Hope it helps.....
riddhiphogat1:
thanks
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