Answer:
for first three terms of this pattern
n=1,2,3
Tn= 52,48,44
Explanation:
18 is not the term because let's say
18=56-4n
4n=56-18
4n= 38
n=9.5
but n should be a whole no. that's why 18 is not the term of this sequence
5.1m questions
6.7m answers