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Simplify the expression: (x^(2)+25)/(x^(2)-10 x+25)

Simplify the expression: x2+25x210x+25\frac{x^{2}+25}{x^{2}-10x+25}

Full solution

Q. Simplify the expression: x2+25x210x+25\frac{x^{2}+25}{x^{2}-10x+25}
  1. Identify function: Identify the function to differentiate.\newlineFunction: (x2+25)/(x210x+25)(x^{2}+25)/(x^{2}-10x+25)
  2. Apply quotient rule: Apply the quotient rule: (vuuv)/v2(v'u - uv') / v^2. Let u=x2+25u = x^2 + 25 and v=x210x+25v = x^2 - 10x + 25. Then, du/dx=2xdu/dx = 2x and dv/dx=2x10dv/dx = 2x - 10.
  3. Substitute into formula: Substitute into the quotient rule formula.\newline(ddx)=(x210x+25)(2x)(x2+25)(2x10)(x210x+25)2(\frac{d}{dx}) = \frac{(x^2 - 10x + 25)(2x) - (x^2 + 25)(2x - 10)}{(x^2 - 10x + 25)^2}
  4. Expand and simplify: Expand and simplify the numerator.\newlineNumerator = 2x320x2+50x2x^3 - 20x^2 + 50x - 2x310x250x+2502x^3 - 10x^2 - 50x + 250\newline = (-10\)x^22 + 100100x + 250250

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