centerbaseline=false
mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><mi mathvariant="normal">y</mi><mo>&#160;</mo><mo>=</mo><mo>&#160;</mo><msub><mi mathvariant="normal">c</mi><mn>1</mn></msub><msup><mi mathvariant="normal">e</mi><mi mathvariant="normal">x</mi></msup><mo>+</mo><msub><mi mathvariant="normal">c</mi><mn>2</mn></msub><msup><mi mathvariant="normal">e</mi><mrow><mo>-</mo><mn>3</mn><mi>ix</mi></mrow></msup></math>