Answer:
A)29 and B) 21,
Step-by-step explanation:
First,in the sequence , the parameter
must to be a integer.
Second, we need to solve the equations by .
All the option in the problem represent an
Then, we need to prove all number in the options, if the result is a integer number, this option can be part of the sequence.
For A)
For B)
For C)
For D)
Only A) and B) only A and B meet the requirement