Respuesta :
Answer:
A.) a formal proof
Step-by-step explanation:
In order to prove a conjecture is always true, you must show a formal proof.
In order to prove a conjecture is always true is formal proof.
We have given that,
A.) a formal proof
B.) a counter-example
C.) several true examples
D.) an informal proof
We have to prove a conjecture is always true
In order to prove a conjecture is always true, you must show formal proof.
What is the conjecture?
A conjecture is a conclusion or a proposition that is proffered on a tentative basis without proof.
Therefore the first option is correct.
In order to prove a conjecture is always true is formal proof.
To learn more about the conjecture visit:
https://brainly.com/question/2292059
#SPJ2