Simplify the Rational Expression $$\frac { 2 x - 9 } { 2 x - 1 }$$

question 25

Multiple Choice

Simplify the rational expression. If the rational expression cannot be simplified, so state.
- $$\frac { 2 x - 9 } { 2 x - 1 }$$

• A) cannot be simplified
• B) 9
• C) \(\frac { 2 } { x - 1 }\)
• D) 2

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Definitions:

Proton Spin Decoupled

A nuclear magnetic resonance (NMR) technique where the interaction between proton spins is removed or reduced, enhancing spectral resolution.

0-50 Ppm

A concentration range indicating 0 to 50 parts per million, often used to describe the presence of a substance within another substance.

Proton Spin Decoupled

A nuclear magnetic resonance (NMR) technique used to simplify the spectrum and analyze the structure by decoupling the interactions between proton spins.

Proton Spin Decoupled

A nuclear magnetic resonance (NMR) technique used to simplify spectra by removing interaction between proton spins.