Question

which term of the AP 24 21 18 is the first negative term​

Answer 1

Answer:

10

Step-by-step explanation:

1st - ve term (- 3)

a+(n-1)d = (- 3)

=> 24+(n-1)(-3)=(-3)

=> 24-3n+3= (-3)

=> 27+3-3n = 0

=> 30= 3n

=> n= 10