Question

25,22,19.....find the 20th term of arithemetic progression

Answer 1

Answer:

-32

Step-by-step explanation:

a= 25, a2= 22

d= -3

a20= 25 + 19x-3

a20 = 25 - 57

a20 = -32 ans

Answer 2

Answer:

Step-by-step explanation:

We have to find a20

Here,

a=25 , d=22-25=-3 , n=20

an = a+(n-1)d

a20=25+(20-1)(-3)

a20=25+(19)(-3)

a20=25-57

a20=-32