Question

2,21/4,21/2.... find the 21st term​

Answer 1

4 is a answer, I am sure 4 is a answer

Answer 2

Answer:

t21 = 72

Step-by-step explanation:

A. P = 2, 21/4 , 21/2

a= 2

d= t2 - t1 = 21/4 -2 = 13/4

:. d = 13/4

tn = a + (n-1) d...formula

t21 = 2 + (21 -1) x 13/4

t21 = 2 + 20 x 13/4

t21 = 2 + 5 x 13

t21 = 2 + 70

t21 = 72