which is the tem af the st negative tearm od – InterviewSolution

1.

which is the tem af the st negative tearm od

Answer»

For term to be -ve , equate tn with 0

=> 0 = a +(n-1)d=> 21+(n-1)(-3) = 0=> (n-1) = -21/-3=> n-1 = 7=> n = 7+1 = 8

so, 8th term will be 0 and after that 9th term will be first negetive term

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