fix(AnalogL1): 💬 fix \ character being typeset

presentations/AnalogL1/presentation.html

@@ -559,7 +559,7 @@
  - At node KCL<sub>1</sub>: `\( \quad I_\text{in} - I_{1} - I_{2} = 0 \)`
  - From loop KVL<sub>1</sub>: `\( \quad V_\text{in} -  V_{1} - V_{3} = 0 \quad \Rightarrow \quad V_\text{in} = I_{1}R_{1} + (I_{1} + I_{2})R_{3} \)`
  - From loop KVL<sub>2</sub>: `\( \quad V_{1} - V_{2} = 0 \quad \Rightarrow \quad I_{1}R_{1} = I_{2}R_{2} \)`
-- Solving the 2 KVL equations and substituting circuit parameters we get `\( I_{1} = I_{2} = 0.5\,\text{A} \ \, \text{\&} \ \, I_{\text{in}} = 1\,\text{A} \)`
+- Solving the 2 KVL equations and substituting circuit parameters we get `\( I_{1} = I_{2} = 0.5\,\text{A} \ \  \text{&} \ \  I_{\text{in}} = 1\,\text{A} \)`
  - Could have used a circuit transformation to combine R<sub>1</sub> & R<sub>2</sub> in parallel and simplified the analysis
 
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