Home
Class 9
MATHS
Find counter examples to disprove the fo...

Find counter examples to disprove the following statements:
If n is a whole number then ` 2n^(2) + 11 ` is a prime .

Promotional Banner

Topper's Solved these Questions

  • PROOFS IN MATHEMATICS

    NCERT BANGLISH|Exercise EXERCISE - 15.3|6 Videos

  • PROBABILITY

    NCERT BANGLISH|Exercise DO THIS|3 Videos

  • QUADRILATERALS

    NCERT BANGLISH|Exercise EXERCISE - 8.4|6 Videos

Similar Questions

Explore conceptually related problems

Find counter examples to disprove the following statements: Every rectangle is a square.

Find counter examples to disprove the following statements: For any integers x and y, sqrt(x^(2) + y^(2)) = x+y

Find counter examples to disprove the following statements: A quadrilateral with all sides are equal is a square.

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

Give one example each to the following statements. iii. An integer which is not a whole number

Find counter examples to disprove the following statements: Two triangles are congruent if all their corresponding angles are equal.

Give one example each to the following statements. ii. A whole number which is not a natural number

Write the converse of the following statements. If a number n is even, then n^(2) is even.

Write the converse of each of the following conditional statements : If n is an odd integer , then n is a prime integer .

By giving a counter example show that the following compound statement is not true . "If x and y are two real numbers , then x^(2)=y^(2) implies x = y " .