question: apparently he eventually became unable to undertake work which required him to concentrate, and research in mathematics became impossible at these times.
Capitalize this past sentence correctly.
A: Apparently he eventually became unable to undertake work which required him to concentrate, and research in mathematics became impossible at these times.

question: [but i am not willing to pay for you]
Capitalize this past sentence correctly.
A: [but I am not willing to pay for You]

question: the result there are 30 companies that have the potential to obtain working capital loans.
Capitalize this past sentence correctly.
A: The result there are 30 companies that have the potential to obtain working capital loans.