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FORMATO DE EXAMEN
UTSV-DAC-FO-01
1
1.- Encontrar las derivadas parciales implícitas de los siguientes ejercicios.
a).- 𝒚𝟓
+ 𝒙𝟒
𝒚𝟑
= 𝟐𝒙𝟐
Calcular
𝒅𝒚
𝒅𝒙
y
𝒅𝒙
𝒅𝒚
b).- 𝒙𝟑
− 𝒚𝟓
+ 3 𝒙𝟐
− 𝟔𝒚 = 𝟏 Calcular
𝒅𝒚
𝒅𝒙
y
𝒅𝒙
𝒅𝒚
2.- De las siguientes ecuaciones define a Ɀ implícitamente como una función de x y y.
A) 𝒛𝟐
= 𝒙𝟐
+ 𝒙𝒚𝟐
𝒛 Encuentre
𝜕𝑧
𝜕𝑥
,
𝜕𝑧
𝜕𝑦
.
B) 𝒛 = 𝒚𝒙𝟐
𝒛𝟐
− 𝒙𝒚𝟒
+ 𝒙𝒛 Encuentre
𝜕𝑧
𝜕𝑥
,
𝜕𝑧
𝜕𝑦
. z_5x4y3_x2y6_6x5_4y
C) 𝒛 = 𝟓𝒙𝟒
𝒚𝟑
− 𝒙𝟐
𝒚𝟔
+ 𝟔𝒙𝟓
− 𝟒𝒚 Encuentre
𝜕𝑧
𝜕𝑥
,
𝜕𝑧
𝜕𝑦
.
D) 𝒛 = 𝟑𝒙𝟐
𝒚 − 𝟒𝒙𝒚𝟐
Encuentre
𝜕𝑧
𝜕𝑥
,
𝜕𝑧
𝜕𝑦
.
CARRERA INGENIERÍA MECATRÓNICA MATERIA MATEMÁTICAS PARA INGENIERÍA I
TIPO DE
EXAMEN
SEGUNDO PARCIAL (ORDINARIO) PERIODO SEP-DIC 2020 GRUPO Y
MODALIDAD
1001. IM-DESP
NOMBRE DEL DOCENTE ING. ALMA DELIA ACOSTA MARTINEZ
REACTIVOS 6 ACIERTOS 10 CALIFICACIÓN
NOMBRE DEL ALUMNO: FECHA
FORMATO DE EXAMEN
UTSV-DAC-FO-01
pág. 2
3.- Determine la derivada direccional de 𝑓(𝑥, 𝑦) = 2𝑥2
𝑦3
+ 6𝑥𝑦 en (1, 1) en la dirección del vector
unitario cuyo ángulo con el eje x positivo sea
𝜋
6
.
4.- Considere el plano que es perpendicular al plano (X,Y) y que pasa por los puntos P(2, 1) y Q(3, 2).
¿Cuál es la pendiente de la recta tangente a la curva de intersección de este plano con la superficie
𝑓(𝑥, 𝑦) = 4𝑥2
+ 𝑦2
. En (2,1) y en la dirección de Q?
5.- Determine el gradiente de la función 𝑓(𝑥, 𝑦, 𝑧) = 𝑥2
𝑧2
𝑠𝑒𝑛 4𝑦 en (-2,
𝜋
3
,1) .
6.- Encuentre la derivada direccional de la función dada en el punto indicado en la dirección señalada.
A).- 𝑓(𝑥, 𝑦) = 5𝑥3
𝑦6
(-1,1) 𝜃 =
𝜋
6
.
Firma del
docente
ING. ALMA DELIA ACOSTA MARTINEZ Pag. 1 de 2

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Examen segundo p. mate inge. im 1001

  • 1. FORMATO DE EXAMEN UTSV-DAC-FO-01 1 1.- Encontrar las derivadas parciales implícitas de los siguientes ejercicios. a).- 𝒚𝟓 + 𝒙𝟒 𝒚𝟑 = 𝟐𝒙𝟐 Calcular 𝒅𝒚 𝒅𝒙 y 𝒅𝒙 𝒅𝒚 b).- 𝒙𝟑 − 𝒚𝟓 + 3 𝒙𝟐 − 𝟔𝒚 = 𝟏 Calcular 𝒅𝒚 𝒅𝒙 y 𝒅𝒙 𝒅𝒚 2.- De las siguientes ecuaciones define a Ɀ implícitamente como una función de x y y. A) 𝒛𝟐 = 𝒙𝟐 + 𝒙𝒚𝟐 𝒛 Encuentre 𝜕𝑧 𝜕𝑥 , 𝜕𝑧 𝜕𝑦 . B) 𝒛 = 𝒚𝒙𝟐 𝒛𝟐 − 𝒙𝒚𝟒 + 𝒙𝒛 Encuentre 𝜕𝑧 𝜕𝑥 , 𝜕𝑧 𝜕𝑦 . z_5x4y3_x2y6_6x5_4y C) 𝒛 = 𝟓𝒙𝟒 𝒚𝟑 − 𝒙𝟐 𝒚𝟔 + 𝟔𝒙𝟓 − 𝟒𝒚 Encuentre 𝜕𝑧 𝜕𝑥 , 𝜕𝑧 𝜕𝑦 . D) 𝒛 = 𝟑𝒙𝟐 𝒚 − 𝟒𝒙𝒚𝟐 Encuentre 𝜕𝑧 𝜕𝑥 , 𝜕𝑧 𝜕𝑦 . CARRERA INGENIERÍA MECATRÓNICA MATERIA MATEMÁTICAS PARA INGENIERÍA I TIPO DE EXAMEN SEGUNDO PARCIAL (ORDINARIO) PERIODO SEP-DIC 2020 GRUPO Y MODALIDAD 1001. IM-DESP NOMBRE DEL DOCENTE ING. ALMA DELIA ACOSTA MARTINEZ REACTIVOS 6 ACIERTOS 10 CALIFICACIÓN NOMBRE DEL ALUMNO: FECHA
  • 2. FORMATO DE EXAMEN UTSV-DAC-FO-01 pág. 2 3.- Determine la derivada direccional de 𝑓(𝑥, 𝑦) = 2𝑥2 𝑦3 + 6𝑥𝑦 en (1, 1) en la dirección del vector unitario cuyo ángulo con el eje x positivo sea 𝜋 6 . 4.- Considere el plano que es perpendicular al plano (X,Y) y que pasa por los puntos P(2, 1) y Q(3, 2). ¿Cuál es la pendiente de la recta tangente a la curva de intersección de este plano con la superficie 𝑓(𝑥, 𝑦) = 4𝑥2 + 𝑦2 . En (2,1) y en la dirección de Q? 5.- Determine el gradiente de la función 𝑓(𝑥, 𝑦, 𝑧) = 𝑥2 𝑧2 𝑠𝑒𝑛 4𝑦 en (-2, 𝜋 3 ,1) . 6.- Encuentre la derivada direccional de la función dada en el punto indicado en la dirección señalada. A).- 𝑓(𝑥, 𝑦) = 5𝑥3 𝑦6 (-1,1) 𝜃 = 𝜋 6 . Firma del docente ING. ALMA DELIA ACOSTA MARTINEZ Pag. 1 de 2