Question

學測數學只有前標但想要數甲頂標的認真人

想知道剪頭部分為什麼會變這樣

2.【動腦想想】不存在 E="x2='x(1)'\=
FF✯ = lim ƒ(1 + h) −ƒ(1)¸ 1
所求
h→0
h
二号x(-15)-5
1)-(2) × 1 = 13 (1) 15
51.7m

I-X
2. 若多項式f(x) 滿足 f(1) 20 () = -15,則lin f(1+h)
ㄨˇ
x=/thp² 8(i+h)-811).
2-0
3h
lim
10200
3.已知f()在
@x
n-j² ex-².
3
n
+8/((1)
841) = (-1)
=
動腦想
如果f(1)的值不是
極限值還存在嗎?

)
D
- 1
∵左、右極限不相等 (2)不存在
2 f'(0) = lim f(x)-f(0)
5 g'(0) = lim
x-0
= lim
x-1
=
=
= lim
x-1
- lim 8(x)-g(0)
x-0
lim
=
I R'( 4*-
x 1
=ƒ'(1).
x-0x-0
-2x
x-0
3
3. lim f(x)² –ƒ(1)²
x³-1
x-1-
=-2
(xf(x)+1)-1
=lim f(x)=f(0) = 3 (1)$(1)
x-0
範例 2
1. f'(1) - lim f(x)-f(1)
E
x-1
x-1
80R (2)
P(2) (1) (x2){(H^-])\— (H€ + 1}\
0
2.【動腦想想】不存在
FF✯ = lim ƒ(1 + h) –ƒ(1)¸ 1
h→0
176
x-2
=
--×(-15)=-$
lim
x-0
ME MA (x-2)(x − 3)(x −5) −1 × (-2) × (-4) – 8
m²-3 KM
3
- lim
x-1
lim
x-0
(x-1)(x-2)(x-3)(x-5)
X-4
=
[(−x+2)+(−x+3)] − 5
RD (x
L=\xf=
h \/ = = */((1))
X
=lim y(x)
x-0
X
-=(DNA
ƒ(x) −ƒ(1) lim f(x) + f(1) 2)
x-x²+x+1
mil = 1.Sco
x). (4 mil
[f(x)-f(1)] [f(x) + f(1)]
(x-1)(x²+x+1)
x-1
ƒ(1) +ƒ(1) = 15 2 f(1) = 7 :: f(1) =
1+1+1
3
10

Answer 1

訪客1

第三張，你畫的藍箭號是定義