Mathematics

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Across
  1. 3. The probability of an 'event E' + Probability of event 'not E' is
  2. 5. A polynomial having its highest degree-4
  3. 6. Equations have no solution if the given lines are
  4. 7. If the pair of equations has a unique solution then they are consistent
  5. 10. Since b^2−4ac determines the nature of the roots it is known as discriminant
Down
  1. 1. The x axis is also known as
  2. 2. the point of intersection of all the three medians of a triangle
  3. 4. the line that touches the circle at only one point.
  4. 8. region bounded by a chord and a corresponding arc lying between the chord's endpoints
  5. 9. the probability of an event that cannot happen