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3
2
1
Grade 12 - Comp.
/ Antiderivatives and differential equations
4 exercises corrected
a
Finding antiderivatives
(4 exercices)
1.
Finding
antiderivatives
E.7751
Complete
the
dotted
lines
:
1
We
note
f
a
function
that
verifies
:
f
(
x
)
=
2
·
x
.
A
possible
expression
for
f
is
:
f
(
x
)
=
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
2
We
denote
g
as
a
function
that
satisfies
:
g
(
x
)
=
x
2
.
A
possible
expression
for
g
is
:
g
(
x
)
=
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
3
We
denote
h
as
a
function
that
satisfies
:
h
(
x
)
=
−
2
.
A
possible
expression
of
h
is
:
h
(
x
)
=
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
4
We
denote
j
as
a
function
satisfying
:
j
(
x
)
=
1
x
2
.
A
possible
expression
of
j
is
:
j
(
x
)
=
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
5
We
denote
k
as
a
function
satisfying
:
k
(
x
)
=
−
1
x
.
A
possible
expression
of
k
is
:
k
(
x
)
=
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
6
We
denote
‘
as
a
function
satisfying
:
‘
(
x
)
=
e
x
.
A
possible
expression
for
‘
is
:
‘
(
x
)
=
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
7
We
denote
m
as
a
function
satisfying
:
m
(
x
)
=
1
x
.
A
possible
expression
of
m
is
:
m
(
x
)
=
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
E.7753
Determine
a
primitive
of
each
of
the
following
functions
:
a
f
(
x
)
=
2
x
+
1
b
g
(
x
)
=
1
−
3
x
c
h
(
x
)
=
2
x
2
d
i
(
x
)=
x
2
+
x
+1
e
j
(
x
)
=
4
x
3
f
k
(
x
)
=
1
−
2
x
2
E.7752
For
each
question,
determine
the
ex-
pression
of
a
function
f
admitting
as
derivative
the
proposed
expression
:
a
f
(
x
)
=
3
b
f
(
x
)
=
2
x
+
1
c
f
(
x
)
=
x
3
d
f
(
x
)
=
−
2
x
e
f
(
x
)
=
1
√
x
f
f
(
x
)
=
e
2
x
E.7754
Determine
a
primitive
of
each
of
the
following
functions
:
https://chingmath.fr
chapExoCorrec/7751
sacados/7751
chapExoCorrec/7753
sacados/7753
chapExoCorrec/7752
sacados/7752
chapExoCorrec/7754
sacados/7754
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