Формальні мови. Довести твердження

Hello Nice to see you. I'm here to offer my services in problem solving. With my experience in tutoring and teaching and background in math and physics, I am confident that I can provide you with the best solutions possible for your needs. Please reach out to me directly for further discussion Sincerely Rehman

Hi i can prove to you in detail how to prove the above equation, as you may need it

Можу запропонувати свою допомогу у вирішенні даної задачі. Чітке і обґрунтоване доведення буде готове менш ніж за годину.