Integreat Crossword

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Across
  1. 2. the perimeter of a triangle is the sum of its three __
  2. 5. The ____ of line segment joining the points (x_1, y_1) and (x_2, y_2) is given by [(x_1, y_1)/2, (x_2, y_2)/2]
  3. 8. Two or more events associated with a random experiment are called mutually _____ if the occurrence of any one of them excludes the occurrence of the other events.
  4. 9. |x| ≥ 0 for all____ numbers x.
  5. 10. (_r^n)C denotes the number of _____ of n different objects taken r at a time.
  6. 12. On increasing the value of x if the value of y is decreasing, then the function is known as a _____ function.
  7. 13. An equation involving f(x,y) is called an ___ function of x or y.
  8. 14. A triangle with no sides equal is called a ____ triangle.
  9. 17. The _ of a triangle is half of that of a quadrilateral
  10. 18. A-A^Tis a _____ symmetric matrix.
  11. 21. The _____ product of two sets A and B, denoted A x B, is the set of all ordered pairs.
  12. 22. ______ of a function at a point x = a.
  13. 25. if a tangent is ___ to x-axis, then dy/dx = tan theta= 0.
  14. 28. The set of all the subsets of a particular set A is known as ____.
  15. 30. ______ frequency is the total of all frequencies in a frequency distribution table until a certain defined class interval.
Down
  1. 1. In equivalent sets, the ____ number for both sets is equal.
  2. 3. Quadratic equations of the form 〖ax〗^2+bx+c = 0 can be solved using the ___ formula.
  3. 4. According to Martin’s rule, ____ exists when the determinant = 0.
  4. 6. if any two rows or columns are ____ then the determinant = 0.
  5. 7. side opposite to the right angle in a right angled triangle
  6. 11. of 〖(KA)〗^T = 〖KA〗^T
  7. 15. If f(x)<f(a), then a is called point of ____.
  8. 16. the point where the three medians of the three sides of a triangle intersect is called a ______.
  9. 19. The _____ value of 〖sin〗^(-1) lies between [ π/2, -π/2].
  10. 20. When D>0, roots are real and ____
  11. 23. The rate of change of ___ of a sphere with respect to its surface area when the radius is 4cm is 2 cubic centimetre/square centimetre.
  12. 24. the equation of the ___ to the curve y = x^2 at (0,0) is parallel to x-axis.
  13. 26. The total surface area is equal to the curved surface area in a ______.
  14. 27. Derivative of ___ x = sec x tan x
  15. 29. In an AP, the ___ of n number of terms is given by n/2[2a+(n-1)d]