Answer: 81
Step-by-step explanation:
The pattern of the sequence is :
[tex]1^{2}[/tex] , [tex]3^{2}[/tex] , [tex]5^{2}[/tex] , [tex]7^{2}[/tex] , [tex]9^{2}[/tex] ...
Which will be :
1 , 9 , 25 , 49 , 81 , ...
Therefore , the next pattern in the sequence is 81
