Question

the next number in the series 3, 5, 7, 9 is_______
please give it fast​

Answer 1

Answer:

a=3

d=5-3=2

fifth term = a+(n-1)d

= 3+4×2

= 11

Answer 2

Answer:

the next number in the series 3, 5, 7, 9 is 11 .

How??

↪ Here,

n+2 is used here☑

$3 = 1 + 2 \\ 5 = 3 + 2 \\ 7 = 5 + 2 \\ 9 = 7 + 2 \\ so, ↪\: 9 + 2 = 11$

Hope you understand ♡