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Differentialligninger 6
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Expression 18: "b" equals 2 "a"
b
=
2
a
equals
=
4
4
18
Endelig er b = c ⇔
Endelig er b = c ⇔
19
Expression 20: "c" equals "b"
c
=
b
equals
=
4
4
20
Da venstresiden
Da venstresiden
21
Expression 22: 2 "a" "x" plus "b"
2
a
x
+
b
22
er lig med højresiden
er lig med højresiden
23
Expression 24: "a" "x" squared plus "b" "x" plus "c" minus 2 "x" squared
a
x
2
+
b
x
+
c
−
2
x
2
24
er ligningen
er ligningen
25
y = a x ² + b x + c
y = a x ² + b x + c
26
med de fundne konstanter
med de fundne konstanter
27
en løsning til y ' = y - 2 x ².
en løsning til y ' = y - 2 x ².
28
Der ledes efter flere løsninger
Der ledes efter flere løsninger
Hide this folder from students.
29
Ligningen omskrives:
Ligningen omskrives:
30
Expression 31: "f" left parenthesis, "x" , right parenthesis equals "a" "x" squared plus "b" "x" plus "c"
f
x
=
a
x
2
+
b
x
+
c
31
Expression 32: "f" prime left parenthesis, "x" , right parenthesis
f
′
x
32
Der integreres:
Der integreres:
33
Expression 34: Start integral from "i" to "x" , end integral, "f" prime left parenthesis, "t" , right parenthesis "d" "t" plus "k"
∫
x
i
f
′
t
d
t
+
k
34
Expression 35: "i" equals 0
i
=
0
negative 10
−
1
0
10
1
0
35
Expression 36: "k" equals negative 2.8 6 5
k
=
−
2
.
8
6
5
negative 4
−
4
8
8
36
37
powered by
powered by
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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