1]
Use the binomial formula to expand
2]
Use the binomial formula to find the fifth and twelfth terms in the
expansion of
.
3]
a) Solution
How many 4-letter code words are possible using the first 10 letters
of the alphabet if
(i) No letter can be repeated?
(ii) Letters can be repeated?
(iii) Adjacent letters cannot be alike?
b) Solution
Find the number of permutations of 25 objects taken 8 at a time.
Compute the answer to 4 significant digits using a calculator.
4]
a) Solution
How many 4-letter code words are possible from the first 6 letters of
the alphabet,
with no letter repeated? Allowing letters to repeat?
b) Solution
How many different license plates are possible if each contains 3 letters
followed by 3 digits? How many of these license plates contain no repeated
letters and no repeated digits?
5]
a)
Write the following without the summation notation and find the sum.
b)
c)
d)
Write
using summation notation, and find
.
6]
Represent the repeating decimal as the quotient of two integers.
7]
Let be
a geometric sequence. Find the the indicated quantity.
8]
Let
be an geometric sequence. Find the indicated quantity.
9]
Find
10]
Let
be an arithmetic sequence. Find the indicated quantities.
11]
Given
(i) Write the first four terms of the sequence.
(ii) Find .
(iii) Find .
Note:
This is an example of a sequence in which the definition of the general
term is given recursively. That is, a term is defined by reference to
another term. In this case,
is defined
by reference to the previous term, .
12]
Use synthetic division to find the quotient and remainder resulting
from dividing
by .
13]
Find all the rational zeros for .
14]
a)
Find all zeros exactly fo r .
b)
Given that
and that
is a zero,
write
as a product of linear terms.
15]
Find all vertical, horizontal, and oblique asymptotes. Do not graph.
16]
Solve
and check.
NOTE:
Recall that
means ,
which are called common logarithms. The base is 10.
17]
Solve the equations and give your answers to 3 significant digits.
a)
NOTE:
Recall that
and that
means .
Logarithms to the base
are called natural logarithms.
b)
18]
Graph
19] Simplify
the complex fraction
20]
Write the following in the standard form
for complex numbers,
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© edmond 2002