Question

What is meant by conjecture?Give it examples?

Answer 1

conjecture is a statement belived to be based on objetvation

Answer 2

That example is called a counterexample. Remember that 'counter' means to go against, so a counterexample is a statement used to disprove a conjecture. For example, here is a conjecture: When n is a prime number; n + 2 is always prime. ... 7 + 2 = 9, but 9 is not a prime number.