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The Geometrical Meaning of the Derivative
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表达式3: "m" equals StartFraction, "y" Subscript, 2 , Baseline minus "y" Subscript, 1 , Baseline Over "x" Subscript, 2 , Baseline minus "x" Subscript, 1 , Baseline , EndFraction
m
=
y
2
−
y
1
x
2
−
x
1
equals
=
0.0 6 0 1
0
.
0
6
0
1
3
表达式4: "x" Subscript, 1 , Baseline equals 3
x
1
=
3
negative 10
−
1
0
10
1
0
4
表达式5: "h" equals 0.0 1
h
=
0
.
0
1
negative 1
−
1
1
1
5
Secant Line
Secant Line
6
11
技术支持
技术支持
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
divided by
÷
功能
(
(
)
)
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
+
