which term of the ap 31,28 ,25,22 -.. is the first negative term Question which term of the ap 31,28 ,25,22 …… is the first negative term in progress 0 Math Maria 1 month 2021-10-27T03:08:03+00:00 2021-10-27T03:08:03+00:00 2 Answers 0 views 0

## Answers ( )

Answer:n=12

Step-by-step explanation:a=31

d=28-31=-3

let an be the first -ve term

a+(n-1)d<0

31+(n-1)-3<0

31-3n+3<0

34-3n<0

34<3n

34/3<n

11.3<n

n>11.3

so the -ve term is 12

so the negative term is greater than

so it is n=12

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Answer:a=31

d=28-31=-3

let an be the first -ve term

a+(n-1)d<0

31+(n-1)-3<0

31-3n+3<0

34-3n<0

34<3n

34/3<n

11.3<n

n>11.3

so the -ve term is 12

so the negative term is greater than

so it is n=12