Question

Which term of the A.P. 19, 17, 15..... is the first negative term ? Find the term.

Answer 1

Answer:

don't know your teacher will know no better

Answer 2

Step-by-step explanation:

11th term.

The first negative term is -1.

An=A+ (n-1) D

-1= 19+ (n-1) (-2)

-1= 19 -2n +2

-1= 21-2n

2n= 22

n=11

Hope this answer helps..