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Determine the derivative of ๐‘“ with respect to ๐‘ฅ from๐‘“๐‘ฅ,๐‘ฆ=๐‘ก๐‘Ž๐‘›โก(3๐‘ฅ+4๐‘ฆ)Question 6Answera.3sin2โก(3๐‘ฅ+4๐‘ฆ)b.3๐‘ก๐‘Ž๐‘›โก(3+4๐‘ฆ)c.๐‘๐‘œ๐‘กโก(3+4๐‘ฆ)d.3sec2โก(3๐‘ฅ+4๐‘ฆ)

Question

Determine the derivative of ๐‘“ with respect to ๐‘ฅ from๐‘“๐‘ฅ,๐‘ฆ=๐‘ก๐‘Ž๐‘›โก(3๐‘ฅ+4๐‘ฆ)Question 6Answera.3sin2โก(3๐‘ฅ+4๐‘ฆ)b.3๐‘ก๐‘Ž๐‘›โก(3+4๐‘ฆ)c.๐‘๐‘œ๐‘กโก(3+4๐‘ฆ)d.3sec2โก(3๐‘ฅ+4๐‘ฆ)

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Solution

Para determinar la derivada de f f con respecto a x x de f(x,y)=tanโก(3x+4y) f(x, y) = \tan(3x + 4y) , seguimos estos pasos:

  1. Identificamos la funciรณn: f(x,y)=tanโก(3x+4y) f(x, y) = \tan(3x + 4y) .
  2. Aplicamos la regla de la cadena para derivar con respecto a x x .

La derivada de tanโก(u) \tan(u) con respecto a u u es secโก2(u) \sec^2(u) . Aquรญ, u=3x+4y u = 3x + 4y .

  1. Derivamos u u con respecto a x x : ddx(3x+4y)=3 \frac{d}{dx}(3x + 4y) = 3

  2. Aplicamos la regla de la cadena: ddxtanโก(3x+4y)=secโก2(3x+4y)โ‹…ddx(3x+4y) \frac{d}{dx} \tan(3x + 4y) = \sec^2(3x + 4y) \cdot \frac{d}{dx}(3x + 4y)

  3. Sustituimos la derivada de u u : ddxtanโก(3x+4y)=secโก2(3x+4y)โ‹…3 \frac{d}{dx} \tan(3x + 4y) = \sec^2(3x + 4y) \cdot 3

  4. Simplificamos: ddxtanโก(3x+4y)=3secโก2(3x+4y) \frac{d}{dx} \tan(3x + 4y) = 3 \sec^2(3x + 4y)

Por lo tanto, la respuesta correcta es:

d. 3secโก2(3x+4y) 3 \sec^2(3x + 4y)

This problem has been solved

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