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(d)/(dx)((1)/(x^(8)))=

ddx(1x8)= \frac{d}{d x}\left(\frac{1}{x^{8}}\right)=

Full solution

Q. ddx(1x8)= \frac{d}{d x}\left(\frac{1}{x^{8}}\right)=
  1. Apply Power Rule: To find the derivative of the function 1x8\frac{1}{x^{8}} with respect to xx, we will use the power rule for derivatives. The power rule states that the derivative of xnx^n with respect to xx is nxn1n\cdot x^{n-1}. In this case, we can rewrite 1x8\frac{1}{x^{8}} as x8x^{-8}.
  2. Calculate Derivative: Applying the power rule, we take the exponent 8-8 and multiply it by the function, then subtract 11 from the exponent to get the new power of xx. So the derivative of x8x^{-8} is 8x81-8\cdot x^{-8-1} which simplifies to 8x9-8\cdot x^{-9}.
  3. Final Form: The expression 8x9-8x^{-9} can be rewritten as 8x9-\frac{8}{x^9} for clarity, which is the final form of the derivative.