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If 𝑧=𝑠𝑖𝑛⁡(3𝑥+2𝑦), find its derivative with respect to xQuestion 7Answera.𝑐𝑜𝑠⁡(3+2𝑦)b.3𝑐𝑜𝑠⁡(3𝑥+2𝑦)c.𝑠𝑖𝑛⁡(3+2𝑦)d.3𝑠𝑖𝑛⁡(3+2𝑦)

Question

If 𝑧=𝑠𝑖𝑛⁡(3𝑥+2𝑦), find its derivative with respect to xQuestion 7Answera.𝑐𝑜𝑠⁡(3+2𝑦)b.3𝑐𝑜𝑠⁡(3𝑥+2𝑦)c.𝑠𝑖𝑛⁡(3+2𝑦)d.3𝑠𝑖𝑛⁡(3+2𝑦)

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Solution

Para encontrar la derivada de z=sin(3x+2y) z = \sin(3x + 2y) con respecto a x x , seguimos estos pasos:

  1. Identificamos que z z es una función compuesta, donde la función exterior es sin(u) \sin(u) y la función interior es u=3x+2y u = 3x + 2y .

  2. Aplicamos la regla de la cadena. La derivada de sin(u) \sin(u) con respecto a u u es cos(u) \cos(u) .

  3. Derivamos la función interior u=3x+2y u = 3x + 2y con respecto a x x . La derivada de 3x 3x con respecto a x x es 3, y la derivada de 2y 2y con respecto a x x es 0 (ya que y y es una constante en relación a x x ).

  4. Multiplicamos la derivada de la función exterior por la derivada de la función interior: dzdx=cos(3x+2y)3 \frac{dz}{dx} = \cos(3x + 2y) \cdot 3

Por lo tanto, la derivada de z z con respecto a x x es: dzdx=3cos(3x+2y) \frac{dz}{dx} = 3 \cos(3x + 2y)

La respuesta correcta es: b. 3cos(3x+2y) 3 \cos(3x + 2y)

This problem has been solved

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