Question

the 12th term of AP:3,-2,-7......Is​

Answer 1

Step-by-step explanation:

$\huge \boxed { \fcolorbox {green}{red}{good morning}}$

a=3

d=-2-3=-5

12th term = a+(n-1)d

=> 3+(12-1)d

=> 3+11×-5

=>3+-55

=> -52

thus, -52 is your answer

Answer 2

Answer:

use formula An wala

Step-by-step explanation:

A12=3+(12-1)*-5