" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x-->2
lim 1 - cos²(x-2) / 3 . (x-2)²
x-->2
lim - 2 cos (x-2) . -sin (x-2) / 2.3 (x-2)
x-->2
lim 2 cos (x-2) / 6
x-->2
lim 1/3 cos (x-2)
x-->2
= 1/3.cos (2-2)
= 1/3.cos 0
= 1/3 (B)
2. lim x-4 / 1 - √(x-3)
x-->4
lim (x-4)(1+√(x-3)) / -(x-4)
x-->4
lim - (1+√(x-3))
x-->4
= - (1+√(4-3))
= - (1+1)
= -2 (E)
3. lim 2x sin3x . 3x/3x / 1 - cos 6x --> sin3x / 3x = 1
x-->0
lim 2x . 3x / 1 - cos 6x
x-->0
lim 6x² / 1 - cos 6x --> Turunkan
x-->0
lim 12x / 6sin6x --> Turunkan
x-->0
lim 12 / 36 cos 6x
x-->0
= 12 / 36 cos 6(0)
= 12 / 36 . 1
= 1/3 (D)
4. lim sin 1/2x tan 2√3 . (1/2x / 1/2x . 2√3 / 2√3) / x√x
x-->0
lim 1/2 x . 2√3 / x√x
x-->0
lim √3 x / x√x --> x nya dicoret
x-->0
lim √3 / √x --> kuadratkan
x-->0
lim 3/x
x-->0
= 3/0
= ∞ (E)
Semoga Membantu