(Now use formula 1 from the introduction to this section.)
.
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SOLUTION 2 : Integrate . Use u-substitution. Let
so that
.
Substitute into the original problem, replacing all forms of , getting
(Now use formula 1 from the introduction to this section.)
.
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SOLUTION 3 : Integrate . Rewrite the function and use formula 3 from the introduction to this section. Then
.
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SOLUTION 4 : Integrate . Use u-substitution. Let
so that
,
or
.
Substitute into the original problem, replacing all forms of , getting
(Now use formula 1 from the introduction to this section.)
.
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SOLUTION 5 : Integrate . First, use polynomial division to divide by . The result is
.
In the second integral, use u-substitution. Let
so that
.
Substitute into the original problem, replacing all forms of , getting
(Now use formula 1 from the introduction to this section.)
.
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SOLUTION 6 : Integrate . First, use polynomial division to divide by . The result is
.
In the third integral, use u-substitution. Let
so that
,
or
.
For the second integral, use formula 2 from the introduction to this section. In the third integral substitute into the original problem, replacing all forms of , getting
(Now use formula 1 from the introduction to this section.)
.
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SOLUTION 7 : Integrate . Use u-substitution. Let
so that
.
Substitute into the original problem, replacing all forms of , getting
(Use formula 1 from the introduction to this section.)
.
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SOLUTION 8 : Integrate . Use u-substitution. Let
so that
.
In addition, we can "back substitute" with
.
Substitute into the original problem, replacing all forms of , getting
(Combine and since is an arbitrary constant.)
.
SOLUTION 9 : Integrate . First, complete the square in the denominator. The result is
.
Now use u-substitution. Let
so that
.
Substitute into the original problem, replacing all forms of , getting
(Use formula 2 from the introduction to this section.)
.
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SOLUTION 10 : Integrate . First, factor 2 from the denominator. The result is
(Complete the square in the denominator.)
.
Use u-substitution. Let
so that
.
Substitute into the original problem, replacing all forms of , getting
(Use formula 3 from the introduction to this section.)
.
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SOLUTION 11 : Integrate . Because of the term in the denominator, rewrite the term in a somewhat unusual way. The result is
.
Now use u-substitution. Let
so that
,
or
.
Substitute into the original problem, replacing all forms of , getting
(Use formula 3 from the introduction to this section.)
.
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SOLUTION 12 : Integrate . Use u-substitution. Let
so that (Don't forget to use the chain rule on .)
,
or
.
Substitute into the original problem, replacing all forms of , and getting
(Use formula 1 from the introduction to this section.)
.
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SOLUTION 13 : Integrate . First, rewrite the denominator of the function, getting
.
Now use u-substitution. Let
so that
.
Substitute into the original problem, replacing all forms of , and getting
(Use formula 2 from the introduction to this section.)
.
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SOLUTION 14 : Integrate . Use u-substitution. Let
so that (Don't forget to use the chain rule on .)
,
or
.
Substitute into the original problem, replacing all forms of , and getting
(Use formula 1 from the introduction to this section.)
.
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SOLUTION 15 : Integrate . First, rewrite the denominator of the function, getting (Recall that .)
.
Now use u-substitution. Let
so that
.
Substitute into the original problem, replacing all forms of , and getting
(Use formula 2 from the introduction to this section.)
.
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SOLUTION 16 : Integrate . Use u-substitution. Let
so that
,
or
.
In addition, we can "back substitute" with
.
Substitute into the original problem, replacing all forms of , getting
(Combine and since is an arbitrary constant.)
.
SOLUTION 17 : Integrate . First factor the denominator, getting
.
Now use u-substitution. Let
so that
.
In addition, we can "back substitute" with
.
Substitute into the original problem, replacing all forms of , getting
.
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SOLUTION 18 : Integrate . First complete the square in the denominator, getting
.
Now use u-substitution. Let
so that
.
In addition, we can "back substitute" with
.
Substitute into the original problem, replacing all forms of , getting
.
In the first integral use substitution. Let
so that
,
or
.
Substitute into the first integral, replacing all forms of , and use formula 3 from the beginning of this section on the second integral, getting
.
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SOLUTION 19 : Integrate . First factor out a 2 and complete the square in the denominator, getting
.
Now use u-substitution. Let
so that
.
In addition, we can "back substitute" with
.
Substitute into the original problem, replacing all forms of , getting
.
In the first integral use substitution. Let
so that
,
or
.
Substitute into the first integral, replacing all forms of , and use formula 3 from the beginning of this section on the second integral, getting
.
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SOLUTION 20 : Integrate . First rewrite this rational function by multiplying by , getting
(Recall that .)
.
Now use substitution. Let
so that
,
or
.
Substitute into the original problem, replacing all forms of , getting
.
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SOLUTION 21 : Integrate . Use u-substitution. Let
so that
.
Now rewrite this rational function using rules of exponents. Then
.
Substitute into the original problem, replacing all forms of , getting
.
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SOLUTION 22 : Integrate . First rewrite this rational function as
.
Now use u-substitution. Let
.
so that
,
or
.
In addition, we can "back substitute" with
.
Substitute into the original problem, replacing all forms of , getting
=
.