Simplify the Rational Function and Find Its Domain
a) Find n(X) in the simplest form, showing the domain of n:
\[ n(X) = \frac{X^3 - 1}{X^2 - 2X + 1} \times \frac{2X - 2}{X^2 + X + 1} \]
The correct answer is:
\[ n(X) = 2 \]
Domain of \( n = \mathbb{R} - \{ 1 \} \) (All real numbers except 1)
\[ n(X) = 2 \]
Domain of \( n = \mathbb{R} - \{ 1 \} \) (All real numbers except 1)
MR/Nasef.N
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