Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: _Los vértices de una elipse son los puntos [Error converting from MathML to accessible text.], entonces esta elipse, tiene como centro y focos a los puntos:_: F<mrow><sub><mn>2</mn></sub></mrow><mrow><mo>=</mo></mrow><mrow><mfenced><mrow><mo>-</mo><msqrt><mn>21</mn></msqrt><mo>+</mo><mn>1</mn><mo>,</mo><mo>-</mo><mn>4</mn></mrow></mfenced></mrow>; F<mrow><sub><mn>1</mn></sub></mrow><mrow><mo>=</mo></mrow><mrow><mfenced><mrow><msqrt><mn>21</mn></msqrt><mo>+</mo><mn>1</mn><mo>,</mo><mo>-</mo><mn>4</mn></mrow></mfenced></mrow>; F<mrow><sub><mn>1</mn></sub></mrow><mrow><mo>=</mo></mrow><mrow><mfenced><mrow><mn>1</mn><mo>,</mo><msqrt><mn>21</mn></msqrt><mo>-</mo><mn>4</mn></mrow></mfenced></mrow>; Centro = [ [ 1 , - ( 4 ) ] ]; F<mrow><sub><mn>2</mn></sub></mrow><mrow><mo>=</mo></mrow><mrow><mfenced><mrow><mn>1</mn><mo>,</mo><mo>-</mo><msqrt><mn>21</mn></msqrt><mo>-</mo><mn>4</mn></mrow></mfenced></mrow>; Centro = [ [ - ( 1 ) , 4 ] ]
Right answer summary: F<mrow><sub><mn>2</mn></sub></mrow><mrow><mo>=</mo></mrow><mrow><mfenced><mrow><mo>-</mo><msqrt><mn>21</mn></msqrt><mo>+</mo><mn>1</mn><mo>,</mo><mo>-</mo><mn>4</mn></mrow></mfenced></mrow>; F<mrow><sub><mn>1</mn></sub></mrow><mrow><mo>=</mo></mrow><mrow><mfenced><mrow><msqrt><mn>21</mn></msqrt><mo>+</mo><mn>1</mn><mo>,</mo><mo>-</mo><mn>4</mn></mrow></mfenced></mrow>; Centro = [ [ 1 , - ( 4 ) ] ]
Question state: todo