Home
Class 11
MATHS
By giving a counter example, show that t...

By giving a counter example, show that the following statement is not true:- q: The equation `x^2 -1 = 0` does not have a root lying between 0 and 2.

Promotional Banner

Topper's Solved these Questions

  • LINEAR INEQUALITIES

    PSEB|Exercise EXERCISE|68 Videos
  • PERMUTATIONS AND COMBINATIONS

    PSEB|Exercise EXERCISE|53 Videos

Similar Questions

Explore conceptually related problems

By giving a counter example , show that the following statement is not true. r: The equation x^2-1=0 does not have a root lying between 0 and 2.

By giving a counter example, show that the following statement is not true : The equation x^2-4= 0 does not have a root lying between 0 and 3.

By giving a counter example, show that the following statement is not true:- p: If all the angles of a triangle are equal, then the triangle is an obtuse angled triangle.

By giving a counter example, show that the following statement is not true : p: If the angles of a triangle are equal, then the triangle is an obtuse angled triangle.

By giving a counter example, show that the following statement is false. "If n is an odd integer, then n is prime.”

The roots of the equation 12 x^2 + x - 1 = 0 is :

Find counter-examples to disprove the following statement: ) For integers a and b, sqrt (a^2 + b^2)= a+b

Find counter-examples to disprove the following statement: 2n^2+ 11 is a prime for all whole numbers n.

The value of b for which the equation x^2+bx-1=0 and x^2+x+b=0 have one root in common is

PSEB-MATHEMATICAL REASONING-EXERCISE
  1. Show that the following statement is true by the method of contraposit...

    Text Solution

    |

  2. By giving a counter example, show that the following statement is not ...

    Text Solution

    |

  3. By giving a counter example, show that the following statement is not ...

    Text Solution

    |

  4. Is the following statement is true or false? In each case give a valid...

    Text Solution

    |

  5. Is the following statement is true or false? In each case give a valid...

    Text Solution

    |

  6. Is the following statement is true or false? In each case give a valid...

    Text Solution

    |

  7. Is the following statement is true or false? In each case give a valid...

    Text Solution

    |

  8. Is the following statement is true or false? In each case give a valid...

    Text Solution

    |

  9. Write the negation of the following statement:- p: For every positive...

    Text Solution

    |

  10. Write the negation of the following statement:- q: All cats scratch.

    Text Solution

    |

  11. Write the negation of the following statement:- r: For every real num...

    Text Solution

    |

  12. Write the negation of the following statement:- s: There exists a num...

    Text Solution

    |

  13. State the converse and contrapositive of the following statement : p: ...

    Text Solution

    |

  14. State the converse and contrapositive of the following statement : q: ...

    Text Solution

    |

  15. State the converse and contrapositive of the following statement : r: ...

    Text Solution

    |

  16. Write the statement in the form “if p, then q" :- p: It is necessary t...

    Text Solution

    |

  17. Write the statement in the form “if p, then q" :- q: There is traffic ...

    Text Solution

    |

  18. Write the statement in the form “if p, then q" :- r: You can access th...

    Text Solution

    |

  19. Rewrite the following statement in the form"p if and only if q":- p: I...

    Text Solution

    |

  20. Rewrite the following statement in the form"p if and only if q":- q: F...

    Text Solution

    |