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Juan Esteban Arana Valencia - Universidad del Quindío
Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1
TALLER REGLA DE L’HOPITAL
Resolver los límites:
1. 𝑙𝑖𝑚
𝑥→
𝜋
4
(𝑡𝑎𝑛(𝑥) − 1) 𝑠𝑒𝑐(2𝑥)
Se reescribe para probar la condición de L’Hopital:
𝑙𝑖𝑚
𝑥→
𝜋
4
(
𝑡𝑎𝑛(𝑥) − 1
1
𝑠𝑒𝑐(2𝑥)
) =
𝑡𝑎𝑛 (
𝜋
4
) − 1
1
𝑠𝑒𝑐 (2
𝜋
4
)
=
0
0
Se deriva y resuelve:
(𝑡𝑎𝑛(𝑥) − 1)′
= 𝑠𝑒𝑐2(𝑥)
(
1
𝑠𝑒𝑐(2𝑥)
)
′
= −2 𝑠𝑖𝑛(2𝑥)
𝑙𝑖𝑚
𝑥→
𝜋
4
(
𝑠𝑒𝑐2(𝑥)
−2 𝑠𝑖𝑛(2𝑥)
)
𝑠𝑒𝑐2
(
𝜋
4
)
−2 𝑠𝑖𝑛 (2
𝜋
4
)
= −1
2. 𝑙𝑖𝑚
𝑥→0
𝑥𝑡𝑎𝑛(𝑥)
Reescribir el límite mediante ley de los exponentes:
𝑙𝑖𝑚
𝑥→0
𝑒𝑡𝑎𝑛(𝑥)𝑙𝑛(𝑥)
Tomando el exponente de Euler:
𝑙𝑖𝑚
𝑥→0
𝑡𝑎𝑛(𝑥) 𝑙𝑛(𝑥)
Se reescribe para probar la condición de L’Hopital:
𝑙𝑖𝑚
𝑥→0
𝑙𝑛(𝑥)
1
𝑡𝑎𝑛(𝑥)
=
𝑙𝑛(0)
1
𝑡𝑎𝑛(0)
=
0
0
Juan Esteban Arana Valencia - Universidad del Quindío
Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1
Se deriva:
(𝑙𝑛(𝑥))′
=
1
𝑥
(
1
𝑡𝑎𝑛(𝑥)
)
′
= − 𝑐𝑠𝑐2(𝑥)
𝑙𝑖𝑚
𝑥→0
1
𝑥
− 𝑐𝑠𝑐2(𝑥)
= 𝑙𝑖𝑚
𝑥→0
1
−𝑥 csc2(𝑥)
Se reescribe para probar la condición de L’Hopital:
𝑙𝑖𝑚
𝑥→0
− 𝑥 𝑐𝑠𝑐2(𝑥) = 𝑙𝑖𝑚
𝑥→0
−
𝑥
sin2(𝑥)
=
0
0
𝑙𝑖𝑚
𝑥→0
−
𝑥
𝑠𝑖𝑛(𝑥) 𝑠𝑖𝑛(𝑥)
= 𝑙𝑖𝑚
𝑥→0
−
𝑥
cos(𝑥) sin(𝑥) + sin(𝑥) cos(𝑥)
=
1
sin(2𝑥)
Se reemplaza en 𝑙𝑖𝑚
𝑥→0
1
−𝑥 csc2(𝑥)
:
𝑙𝑖𝑚
𝑥→0
1
−𝑥 csc2(𝑥)
= 𝑙𝑖𝑚
𝑥→0
1
−
1
sin(2𝑥)
= sin(2𝑥) = 0
Se reemplaza en Euler:
𝑒0
= 1
3. 𝑙𝑖𝑚
𝑥→0
𝑐𝑜𝑡(𝑥)𝑠𝑖𝑛(𝑥)
Reescribir el límite mediante ley de los exponentes:
𝑙𝑖𝑚
𝑥→0
𝑒𝑠𝑖𝑛(𝑥) 𝑙𝑛(𝑐𝑜𝑡(𝑥))
Tomando el exponente de Euler:
𝑙𝑖𝑚
𝑥→0
𝑠𝑖𝑛(𝑥) 𝑙𝑛(𝑐𝑜𝑡(𝑥))
Se reescribe para probar la condición de L’Hopital:
Juan Esteban Arana Valencia - Universidad del Quindío
Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1
𝑙𝑖𝑚
𝑥→0
𝑙𝑛(𝑐𝑜𝑡(𝑥))
1
𝑠𝑖𝑛(𝑥)
=
𝑙𝑛(𝑐𝑜𝑡(0))
1
𝑠𝑖𝑛(0)
=
0
0
Se deriva:
(𝑙𝑛(𝑐𝑜𝑡(𝑥)))′
= − 𝑐𝑠𝑐2(𝑥) 𝑡𝑎𝑛(𝑥)
(
1
𝑠𝑖𝑛(𝑥)
)
′
= − 𝑐𝑜𝑡(𝑥) 𝑐𝑠𝑐(𝑥)
𝑙𝑖𝑚
𝑥→0
− 𝑐𝑠𝑐2(𝑥) 𝑡𝑎𝑛(𝑥)
− 𝑐𝑜𝑡(𝑥) 𝑐𝑠𝑐(𝑥)
= 0
Se reemplaza en Euler:
𝑒0
= 1
4. 𝑙𝑖𝑚
𝑥→2
(
𝑥
2
)
1
𝑥−2
Reescribir el límite mediante ley de los exponentes:
𝑙𝑖𝑚
𝑥→2
𝑒
1
𝑥−2
𝑙𝑛(
𝑥
2
)
Tomando el exponente de Euler:
𝑙𝑖𝑚
𝑥→2
1
𝑥 − 2
𝑙𝑛 (
𝑥
2
)
Se reescribe para probar la condición de L’Hopital:
𝑙𝑖𝑚
𝑥→2
𝑙𝑛 (
𝑥
2
)
𝑥 − 2
=
𝑙𝑛 (
2
2
)
2 − 2
=
0
0
Se deriva:
(𝑙𝑛 (
𝑥
2
))
′
=
1
𝑥
(𝑥 − 2)′
= 1
𝑙𝑖𝑚
𝑥→2
1
𝑥
1
= 𝑙𝑖𝑚
𝑥→2
1
𝑥
=
1
2
Juan Esteban Arana Valencia - Universidad del Quindío
Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1
Se reemplaza en Euler:
𝑒
1
2 = √𝑒
5. 𝑙𝑖𝑚
𝑥→1
𝑙𝑛(𝑥)
𝑥−1
Se prueba la condición de L’Hopital:
𝑙𝑖𝑚
𝑥→1
𝑙𝑛(𝑥)
𝑥 − 1
=
ln(1)
1 − 1
=
0
0
Se deriva y resuelve:
(𝑙𝑛(𝑥))′
=
1
𝑥
(𝑥 − 1)′
= 1
𝑙𝑖𝑚
𝑥→1
1
𝑥
1
= 𝑙𝑖𝑚
𝑥→1
1
𝑥
=
1
1
= 1
6. 𝑙𝑖𝑚
𝑥→0
𝑠𝑖𝑛(3𝑥)
𝑥−
3
2
𝑠𝑖𝑛(2𝑥)
Se prueba la condición de L’Hopital:
𝑙𝑖𝑚
𝑥→0
𝑠𝑖𝑛(3𝑥)
𝑥 −
3
2
𝑠𝑖𝑛(2𝑥)
=
sin(3 ⋅ 0)
0 −
3
2
sin(2 ⋅ 0)
=
0
0
Se deriva y resuelve:
(𝑠𝑖𝑛(3𝑥))′
= 3 𝑐𝑜𝑠(3𝑥)
(𝑥 −
3
2
𝑠𝑖𝑛(2𝑥))
′
= 1 − 3 𝑐𝑜𝑠(2𝑥)
𝑙𝑖𝑚
𝑥→0
3 𝑐𝑜𝑠(3𝑥)
1 − 3 𝑐𝑜𝑠(2𝑥)
=
3 𝑐𝑜𝑠(3 ⋅ 0)
1 − 3 𝑐𝑜𝑠(2 ⋅ 0)
= −
3
2
7. 𝑙𝑖𝑚
𝑥→0
𝑎𝑟𝑐𝑠𝑖𝑛(𝑥) 𝑐𝑜𝑡(𝑥)
Se reescribe para probar la condición de L’Hopital:
Juan Esteban Arana Valencia - Universidad del Quindío
Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1
𝑙𝑖𝑚
𝑥→0
𝑎𝑟𝑐𝑠𝑖𝑛(𝑥)
1
𝑐𝑜𝑡(𝑥)
=
𝑎𝑟𝑐𝑠𝑖𝑛(0)
1
𝑐𝑜𝑡(0)
=
0
0
Se deriva y resuelve:
(𝑎𝑟𝑐𝑠𝑖𝑛(𝑥))′
=
1
√1 − 𝑥2
(
1
cot(𝑥)
)
′
= sec2(𝑥)
𝑙𝑖𝑚
𝑥→0
1
√1 − 𝑥2
sec2(𝑥)
=
1
√1 − 02
sec2(0)
= 1
8. 𝑙𝑖𝑚
𝑥→0
1
2
𝑠𝑖𝑛(𝑥)
𝑡𝑎𝑛(𝑥)
(1 + 𝑡𝑎𝑛(2𝑥))
4
𝑥
Se separan los límites:
1
2
(𝑙𝑖𝑚
𝑥→0
𝑠𝑖𝑛(𝑥)
𝑡𝑎𝑛(𝑥)
⋅ 𝑙𝑖𝑚
𝑥→0
(1 + 𝑡𝑎𝑛(2𝑥))
4
𝑥)
Se prueba la condición de L’Hopital en 𝑙𝑖𝑚
𝑥→0
𝑠𝑖𝑛(𝑥)
𝑡𝑎𝑛(𝑥)
:
𝑙𝑖𝑚
𝑥→0
𝑠𝑖𝑛(𝑥)
𝑡𝑎𝑛(𝑥)
=
𝑠𝑖𝑛(0)
𝑡𝑎𝑛(0)
=
0
0
Se deriva:
(𝑠𝑖𝑛(𝑥))′
= 𝑐𝑜𝑠(𝑥)
(𝑡𝑎𝑛(𝑥))′
= 𝑠𝑒𝑐2(𝑥)
𝑙𝑖𝑚
𝑥→0
𝑐𝑜𝑠(𝑥)
𝑠𝑒𝑐2(𝑥)
=
𝑐𝑜𝑠(0)
𝑠𝑒𝑐2(0)
= 1
Se reescribe el límite separado:
1
2
(1 ⋅ 𝑙𝑖𝑚
𝑥→0
(1 + 𝑡𝑎𝑛(2𝑥))
4
𝑥)
Reescribir el límite 𝑙𝑖𝑚
𝑥→0
(1 + 𝑡𝑎𝑛(2𝑥))
4
𝑥 mediante ley de los exponentes:
Juan Esteban Arana Valencia - Universidad del Quindío
Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1
𝑙𝑖𝑚
𝑥→0
𝑒
4
𝑥
𝑙𝑛(1+𝑡𝑎𝑛(2𝑥))
Tomando el exponente de Euler:
𝑙𝑖𝑚
𝑥→0
4 𝑙𝑛(1 + 𝑡𝑎𝑛(2𝑥))
𝑥
Se prueba la condición de L’Hopital:
4 𝑙𝑖𝑚
𝑥→0
𝑙𝑛(1 + 𝑡𝑎𝑛(2𝑥))
𝑥
=
4 𝑙𝑛(1 + 𝑡𝑎𝑛(2 ⋅ 0))
0
=
0
0
Se deriva:
(𝑙𝑛(1 + 𝑡𝑎𝑛(2𝑥)))′
=
2 sec2(2𝑥)
1 + tan(2𝑥)
(𝑥)′
= 1
4𝑙𝑖𝑚
𝑥→0
2 sec2(2𝑥)
1 + tan(2𝑥)
=
4 ⋅ 2 sec2(2 ⋅ 0)
1 + tan(2 ⋅ 0)
= 4 ⋅ 2 = 8
Se reemplaza en Euler:
𝑒8
Se reescribe el límite separado:
1
2
(1 ⋅ 𝑒8) =
𝑒8
2

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TALLER REGLA DE L'HOPITAL

  • 1. Juan Esteban Arana Valencia - Universidad del Quindío Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1 TALLER REGLA DE L’HOPITAL Resolver los límites: 1. 𝑙𝑖𝑚 𝑥→ 𝜋 4 (𝑡𝑎𝑛(𝑥) − 1) 𝑠𝑒𝑐(2𝑥) Se reescribe para probar la condición de L’Hopital: 𝑙𝑖𝑚 𝑥→ 𝜋 4 ( 𝑡𝑎𝑛(𝑥) − 1 1 𝑠𝑒𝑐(2𝑥) ) = 𝑡𝑎𝑛 ( 𝜋 4 ) − 1 1 𝑠𝑒𝑐 (2 𝜋 4 ) = 0 0 Se deriva y resuelve: (𝑡𝑎𝑛(𝑥) − 1)′ = 𝑠𝑒𝑐2(𝑥) ( 1 𝑠𝑒𝑐(2𝑥) ) ′ = −2 𝑠𝑖𝑛(2𝑥) 𝑙𝑖𝑚 𝑥→ 𝜋 4 ( 𝑠𝑒𝑐2(𝑥) −2 𝑠𝑖𝑛(2𝑥) ) 𝑠𝑒𝑐2 ( 𝜋 4 ) −2 𝑠𝑖𝑛 (2 𝜋 4 ) = −1 2. 𝑙𝑖𝑚 𝑥→0 𝑥𝑡𝑎𝑛(𝑥) Reescribir el límite mediante ley de los exponentes: 𝑙𝑖𝑚 𝑥→0 𝑒𝑡𝑎𝑛(𝑥)𝑙𝑛(𝑥) Tomando el exponente de Euler: 𝑙𝑖𝑚 𝑥→0 𝑡𝑎𝑛(𝑥) 𝑙𝑛(𝑥) Se reescribe para probar la condición de L’Hopital: 𝑙𝑖𝑚 𝑥→0 𝑙𝑛(𝑥) 1 𝑡𝑎𝑛(𝑥) = 𝑙𝑛(0) 1 𝑡𝑎𝑛(0) = 0 0
  • 2. Juan Esteban Arana Valencia - Universidad del Quindío Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1 Se deriva: (𝑙𝑛(𝑥))′ = 1 𝑥 ( 1 𝑡𝑎𝑛(𝑥) ) ′ = − 𝑐𝑠𝑐2(𝑥) 𝑙𝑖𝑚 𝑥→0 1 𝑥 − 𝑐𝑠𝑐2(𝑥) = 𝑙𝑖𝑚 𝑥→0 1 −𝑥 csc2(𝑥) Se reescribe para probar la condición de L’Hopital: 𝑙𝑖𝑚 𝑥→0 − 𝑥 𝑐𝑠𝑐2(𝑥) = 𝑙𝑖𝑚 𝑥→0 − 𝑥 sin2(𝑥) = 0 0 𝑙𝑖𝑚 𝑥→0 − 𝑥 𝑠𝑖𝑛(𝑥) 𝑠𝑖𝑛(𝑥) = 𝑙𝑖𝑚 𝑥→0 − 𝑥 cos(𝑥) sin(𝑥) + sin(𝑥) cos(𝑥) = 1 sin(2𝑥) Se reemplaza en 𝑙𝑖𝑚 𝑥→0 1 −𝑥 csc2(𝑥) : 𝑙𝑖𝑚 𝑥→0 1 −𝑥 csc2(𝑥) = 𝑙𝑖𝑚 𝑥→0 1 − 1 sin(2𝑥) = sin(2𝑥) = 0 Se reemplaza en Euler: 𝑒0 = 1 3. 𝑙𝑖𝑚 𝑥→0 𝑐𝑜𝑡(𝑥)𝑠𝑖𝑛(𝑥) Reescribir el límite mediante ley de los exponentes: 𝑙𝑖𝑚 𝑥→0 𝑒𝑠𝑖𝑛(𝑥) 𝑙𝑛(𝑐𝑜𝑡(𝑥)) Tomando el exponente de Euler: 𝑙𝑖𝑚 𝑥→0 𝑠𝑖𝑛(𝑥) 𝑙𝑛(𝑐𝑜𝑡(𝑥)) Se reescribe para probar la condición de L’Hopital:
  • 3. Juan Esteban Arana Valencia - Universidad del Quindío Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1 𝑙𝑖𝑚 𝑥→0 𝑙𝑛(𝑐𝑜𝑡(𝑥)) 1 𝑠𝑖𝑛(𝑥) = 𝑙𝑛(𝑐𝑜𝑡(0)) 1 𝑠𝑖𝑛(0) = 0 0 Se deriva: (𝑙𝑛(𝑐𝑜𝑡(𝑥)))′ = − 𝑐𝑠𝑐2(𝑥) 𝑡𝑎𝑛(𝑥) ( 1 𝑠𝑖𝑛(𝑥) ) ′ = − 𝑐𝑜𝑡(𝑥) 𝑐𝑠𝑐(𝑥) 𝑙𝑖𝑚 𝑥→0 − 𝑐𝑠𝑐2(𝑥) 𝑡𝑎𝑛(𝑥) − 𝑐𝑜𝑡(𝑥) 𝑐𝑠𝑐(𝑥) = 0 Se reemplaza en Euler: 𝑒0 = 1 4. 𝑙𝑖𝑚 𝑥→2 ( 𝑥 2 ) 1 𝑥−2 Reescribir el límite mediante ley de los exponentes: 𝑙𝑖𝑚 𝑥→2 𝑒 1 𝑥−2 𝑙𝑛( 𝑥 2 ) Tomando el exponente de Euler: 𝑙𝑖𝑚 𝑥→2 1 𝑥 − 2 𝑙𝑛 ( 𝑥 2 ) Se reescribe para probar la condición de L’Hopital: 𝑙𝑖𝑚 𝑥→2 𝑙𝑛 ( 𝑥 2 ) 𝑥 − 2 = 𝑙𝑛 ( 2 2 ) 2 − 2 = 0 0 Se deriva: (𝑙𝑛 ( 𝑥 2 )) ′ = 1 𝑥 (𝑥 − 2)′ = 1 𝑙𝑖𝑚 𝑥→2 1 𝑥 1 = 𝑙𝑖𝑚 𝑥→2 1 𝑥 = 1 2
  • 4. Juan Esteban Arana Valencia - Universidad del Quindío Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1 Se reemplaza en Euler: 𝑒 1 2 = √𝑒 5. 𝑙𝑖𝑚 𝑥→1 𝑙𝑛(𝑥) 𝑥−1 Se prueba la condición de L’Hopital: 𝑙𝑖𝑚 𝑥→1 𝑙𝑛(𝑥) 𝑥 − 1 = ln(1) 1 − 1 = 0 0 Se deriva y resuelve: (𝑙𝑛(𝑥))′ = 1 𝑥 (𝑥 − 1)′ = 1 𝑙𝑖𝑚 𝑥→1 1 𝑥 1 = 𝑙𝑖𝑚 𝑥→1 1 𝑥 = 1 1 = 1 6. 𝑙𝑖𝑚 𝑥→0 𝑠𝑖𝑛(3𝑥) 𝑥− 3 2 𝑠𝑖𝑛(2𝑥) Se prueba la condición de L’Hopital: 𝑙𝑖𝑚 𝑥→0 𝑠𝑖𝑛(3𝑥) 𝑥 − 3 2 𝑠𝑖𝑛(2𝑥) = sin(3 ⋅ 0) 0 − 3 2 sin(2 ⋅ 0) = 0 0 Se deriva y resuelve: (𝑠𝑖𝑛(3𝑥))′ = 3 𝑐𝑜𝑠(3𝑥) (𝑥 − 3 2 𝑠𝑖𝑛(2𝑥)) ′ = 1 − 3 𝑐𝑜𝑠(2𝑥) 𝑙𝑖𝑚 𝑥→0 3 𝑐𝑜𝑠(3𝑥) 1 − 3 𝑐𝑜𝑠(2𝑥) = 3 𝑐𝑜𝑠(3 ⋅ 0) 1 − 3 𝑐𝑜𝑠(2 ⋅ 0) = − 3 2 7. 𝑙𝑖𝑚 𝑥→0 𝑎𝑟𝑐𝑠𝑖𝑛(𝑥) 𝑐𝑜𝑡(𝑥) Se reescribe para probar la condición de L’Hopital:
  • 5. Juan Esteban Arana Valencia - Universidad del Quindío Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1 𝑙𝑖𝑚 𝑥→0 𝑎𝑟𝑐𝑠𝑖𝑛(𝑥) 1 𝑐𝑜𝑡(𝑥) = 𝑎𝑟𝑐𝑠𝑖𝑛(0) 1 𝑐𝑜𝑡(0) = 0 0 Se deriva y resuelve: (𝑎𝑟𝑐𝑠𝑖𝑛(𝑥))′ = 1 √1 − 𝑥2 ( 1 cot(𝑥) ) ′ = sec2(𝑥) 𝑙𝑖𝑚 𝑥→0 1 √1 − 𝑥2 sec2(𝑥) = 1 √1 − 02 sec2(0) = 1 8. 𝑙𝑖𝑚 𝑥→0 1 2 𝑠𝑖𝑛(𝑥) 𝑡𝑎𝑛(𝑥) (1 + 𝑡𝑎𝑛(2𝑥)) 4 𝑥 Se separan los límites: 1 2 (𝑙𝑖𝑚 𝑥→0 𝑠𝑖𝑛(𝑥) 𝑡𝑎𝑛(𝑥) ⋅ 𝑙𝑖𝑚 𝑥→0 (1 + 𝑡𝑎𝑛(2𝑥)) 4 𝑥) Se prueba la condición de L’Hopital en 𝑙𝑖𝑚 𝑥→0 𝑠𝑖𝑛(𝑥) 𝑡𝑎𝑛(𝑥) : 𝑙𝑖𝑚 𝑥→0 𝑠𝑖𝑛(𝑥) 𝑡𝑎𝑛(𝑥) = 𝑠𝑖𝑛(0) 𝑡𝑎𝑛(0) = 0 0 Se deriva: (𝑠𝑖𝑛(𝑥))′ = 𝑐𝑜𝑠(𝑥) (𝑡𝑎𝑛(𝑥))′ = 𝑠𝑒𝑐2(𝑥) 𝑙𝑖𝑚 𝑥→0 𝑐𝑜𝑠(𝑥) 𝑠𝑒𝑐2(𝑥) = 𝑐𝑜𝑠(0) 𝑠𝑒𝑐2(0) = 1 Se reescribe el límite separado: 1 2 (1 ⋅ 𝑙𝑖𝑚 𝑥→0 (1 + 𝑡𝑎𝑛(2𝑥)) 4 𝑥) Reescribir el límite 𝑙𝑖𝑚 𝑥→0 (1 + 𝑡𝑎𝑛(2𝑥)) 4 𝑥 mediante ley de los exponentes:
  • 6. Juan Esteban Arana Valencia - Universidad del Quindío Facultad de Ciencias Básicas y Tecnologías - Física - 2021-1 𝑙𝑖𝑚 𝑥→0 𝑒 4 𝑥 𝑙𝑛(1+𝑡𝑎𝑛(2𝑥)) Tomando el exponente de Euler: 𝑙𝑖𝑚 𝑥→0 4 𝑙𝑛(1 + 𝑡𝑎𝑛(2𝑥)) 𝑥 Se prueba la condición de L’Hopital: 4 𝑙𝑖𝑚 𝑥→0 𝑙𝑛(1 + 𝑡𝑎𝑛(2𝑥)) 𝑥 = 4 𝑙𝑛(1 + 𝑡𝑎𝑛(2 ⋅ 0)) 0 = 0 0 Se deriva: (𝑙𝑛(1 + 𝑡𝑎𝑛(2𝑥)))′ = 2 sec2(2𝑥) 1 + tan(2𝑥) (𝑥)′ = 1 4𝑙𝑖𝑚 𝑥→0 2 sec2(2𝑥) 1 + tan(2𝑥) = 4 ⋅ 2 sec2(2 ⋅ 0) 1 + tan(2 ⋅ 0) = 4 ⋅ 2 = 8 Se reemplaza en Euler: 𝑒8 Se reescribe el límite separado: 1 2 (1 ⋅ 𝑒8) = 𝑒8 2