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Let 
f(x)=(1)/(x^(7)).

f^(')(x)=

Let f(x)=1x7 f(x)=\frac{1}{x^{7}} .\newlinef(x)= f^{\prime}(x)=

Full solution

Q. Let f(x)=1x7 f(x)=\frac{1}{x^{7}} .\newlinef(x)= f^{\prime}(x)=
  1. Identify Function: Identify the function to differentiate.\newlineWe are given the function f(x)=1x7f(x) = \frac{1}{x^7}, which we need to differentiate with respect to xx.
  2. Apply Power Rule: Apply the power rule for differentiation. The power rule states that the derivative of xnx^n with respect to xx is nx(n1)n*x^{(n-1)}. In this case, we can rewrite the function as f(x)=x7f(x) = x^{-7} to apply the power rule.
  3. Differentiate Using Rule: Differentiate using the power rule.\newlineTaking the derivative of f(x)=x7f(x) = x^{-7} with respect to xx, we get f(x)=7x71=7x8f'(x) = -7\cdot x^{-7-1} = -7\cdot x^{-8}.
  4. Simplify Expression: Simplify the expression.\newlineThe derivative f(x)=7x8f'(x) = -7x^{-8} can be rewritten as f(x)=7x8f'(x) = -\frac{7}{x^8} for clarity.

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