1.

How many terms of the AP -5,-9/2, -4, .... will give the sum 0?

Answer» -19=n<br>It is much better to use doubtnut app for clearing the doubts by video solution in hindi language<br>a is -5 ,d is 1/2 ,an is 0Here we have to find nApply the formula :an=a+(n-1)dAnd you will get your answer


Discussion

No Comment Found