Answer: Yes it is
Step-by-step explanation:
Answer:
No solution unless you want to solve for an imaginary number which in that case 
Step-by-step explanation:



Here you can stop and say "no solution" since you cannot square root a negative number, but if you want you can still solve for an imaginary number:



The odd-numbered terms are

, while the even-numbered terms are

, so one formula for the sequence is

where

.
Answer: 22 yerar and 3 months are left .