Question

what is the meaning of \invalidated\?
to enhance credibility
to make something valid
to prove something false or void
to confirm the truth

Explanation:

The word "invalidated" means to make something false or void. Here, breaking down the word - "in -" can imply negation or reversal, and "validated" means to be made valid or confirmed. So "invalidated" is the opposite, meaning to prove something false or void.

Answer:

To prove something false or void