How would you solve this equation, and most importantly how would you have written down the answer to this equation?
, where is a parameter.
I solved this equation correct, I think, but how to write the final answer, I can not understand.
This equation is proposed for the entrance exams at one of Moscow universities. But no one got the highest mark for this equation, although many have decided it is just like you. In an official statement after the exams were told that applicants applying for appreciation were to consider a few cases, and based on this wrote roots, which are not duplicated.
I think the answer should be written in such a way
But one professor said that we should consider more cases.