The last line of a proof represents the given information. the argument. the conclusion. the assumptions.

The last line of a proof represents the conclusion. The correct option among all the options that are given in the question is the third option or the penultimate option. The other choices can be easily neglected. I hope that this is the answer that has actually come to your desired help.

The last line of a proof represents:

        The conclusion.    

Step-by-step explanation:

While proving an argument or a statement we proceed in the following steps--

Firstly we write the condition or the statement that are given to us.Then we write the argument that is to be proven i.e. we could provide it with a heading as To prove-- (Argument)Then we use certain axioms or corollaries or previous theorems in order to proceed the proof. At the last i.e. in the last line of the proof represents the conclusion.

             Hence, the correct answer is:

                     Conclusion.

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