Question

for the expansion of (k+t)power22, state
a. the number of terms
b. the degree of each term
c. the first four terms in the expansion, without coeffiecients

Answer 1

This is a question of introduction to the Binomial Theorem.

If you are not in a classroom or have no textbook, here is a short summary to fit your problem

http://www.intmath.com/Series-binomial-theorem/4_Binomial-theorem.php