Question

(
Write to and ta for the AP ,if.
az 11 d = 2
() a = -2, da-2
t is to
C​

Answer 1

Step-by-step explanation:

a,b,c are said to be in AP if the common difference between any two consecutive number of the series is same ie b−a=c−b⇒2b=a+c

(i) It is not in AP, as the difference between consecutive terms is different.

(ii) It is in AP with common difference d=

2

5

−2=

2

1

,

t

n

=a+(n−1)d

a=2

t

5

=2+(5−1)

2

1

Next three terms are 4,

2

9

,5