Consider the sequence t1=1, t2=-1, and that tn-tn-2(n-3)/(n-1), where n>2. Find the value of t1998. (1998 is the term, so is n, t1 and t2)
expected to see an "=" sign in
tn-tn-2(n-3)/(n-1)
check your spelling and correct.
Also use brackets, eg
is it :
tn = t(n-2)*(n-3)/(n-1) ??