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Find 
(d)/(dv)(4v^(5)-cos v)
Answer:

Find ddv(4v5cosv) \frac{d}{d v}\left(4 v^{5}-\cos v\right) \newlineAnswer:

Full solution

Q. Find ddv(4v5cosv) \frac{d}{d v}\left(4 v^{5}-\cos v\right) \newlineAnswer:
  1. Apply Power Rule: To find the derivative of the function 4v5cos(v)4v^{5} - \cos(v) with respect to vv, we need to apply the power rule to the term 4v54v^{5} and the derivative of the cosine function to the term cos(v)-\cos(v).
  2. Derivative of Cosine: The power rule states that the derivative of vnv^n with respect to vv is nv(n1)n*v^{(n-1)}. Applying this to 4v54v^{5}, we get 54v45*4v^{4} or 20v420v^{4}.
  3. Combine Derivatives: The derivative of cos(v)-\cos(v) with respect to vv is sin(v)\sin(v), but since we have a negative sign, it becomes sin(v)-\sin(v).
  4. Check for Errors: Combining the derivatives of both terms, we get the derivative of the entire function: 20v4sin(v)20v^{4} - \sin(v).
  5. Check for Errors: Combining the derivatives of both terms, we get the derivative of the entire function: 20v4sin(v)20v^{4} - \sin(v).We check for any mathematical errors in the differentiation process. The power rule was applied correctly, and the derivative of the cosine function was also correctly determined.

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