Negative term

Which term of the AP 24,21,18,15,.....is the first negative term?

Correct answer:

n =  10

Step-by-step explanation:

a1=24 a2=21  d=a2a1=2124=3  an = a1 + (n1) d  an <0 a1+(n1) d<0 24 3(n1) <0 24 3n+3 <0 27 3n <0  27 <3n  n > 27/3 n > 9  n=10



Did you find an error or inaccuracy? Feel free to write us. Thank you!







You need to know the following knowledge to solve this word math problem:

Related math problems and questions: