In Problems 1 and 2, write the first five terms of each sequence. State whether the sequence is arithmetic or geometric.
Write the first five terms of the sequence defined by and for
Find for the arithmetic sequence with and
Find for the geometric sequence with and
In Problems 7–9, find each sum.
write the answer as a fraction in lowest terms.
Find the term containing in the expansion of
In how many ways can you answer every question on a true–false test containing ten questions?
In Problems 14 and 15, evaluate each expression.