Question

IS 83 is a form of the
AP 3,7,11​

Answer 1

Answer:

yes

Step-by-step explanation:

a=3 , d=4

aⁿ=a+(n-1)d

83=3+4n-4

83=4n-1

84=4n

n=84/4

n=21

Answer 2

Answer:

a = 3, d = 4

an= a + (n-1)d

83= 4n =1

84= 4n

n=84/4

n=21