Winter has arrived. In my mind, wrapping up in a coat is winter.
The winter in Chongqing is wet and cold, and the kind of bone-chilling cold can only be experienced by immersion. It was freezing cold, everything was cold, and nothing could arouse interest except eating and sleeping. Books can't be read, movies are boring, and the brain has long been wild and boundless.
Misty, melancholy in the depths of the window, stove.
There was no stove, only a fluttering wind, only a rain. Bad weather is always accompanied by bad news, and there is nothing you can do about it.
"What do you want to do to witness the traces of time?" Brother Murong said, "Except for emotions. ”
No answer. Because no one knows if he's asking a question or if he's mumbling. Even if you ask, no one knows how to answer.
Maybe no answer, is the best answer.
Of course I know that constructing "helper functions" is essential, but how to construct them will always be a mystery to me.
Look closely at the left side of the differential equation, the structure resembles the derivative of the product of two functions (one is the function f(x) and the other is the power function), and the two sides divide by x to get the derivative of the function g(x). So, naturally.
In the derivative of the function f(x), the sign of the molecule cannot be judged, so the constructor h(x) continues to construct the sign of the f(x) derivative by the sign of h(x), and thus determines the monotonicity of f(x).
The essence is two words, and the process can be imagined. I seemed to be in the right place, and everything seemed so logical. Yes, all the coincidences of the college entrance examination are carefully laid out, not so much to embarrass you, but to play big chess.
Abstract problems are concretized, and few people can think of it.
Unfortunately, however, there is no "indefinite integral" tool as a guarantee, and progress is in the ducks and steps.
Even so, it will be necessary to risk the world. Law 2, and the tray out. As you can see, the original function makes the problem boring, and the original fancy techniques become commonplace.
In the near future, you will find more bizarre tricks than just a game of transformation. Without new tools, no amount of righteous rhetoric is just a matter of strong rhetoric.
Perhaps, like me, you have deeply experienced the satisfaction of dimensionality reduction blows, but invisibly ignored the constraints of rules. You know, not all costs can be borne.
I was wild and uninhibited, but I didn't do whatever I wanted. So the point is to the end, the point is to the end.
If this question in Bashu Middle School has nothing to do with the "Liaoning College Entrance Examination Question", will you be convinced?
Where there are so many originals, the so-called original is just a makeover repackaging. It is worth mentioning that the original function of the Liaoning college entrance examination question does not seem to be a primary function (I did not see it anyway), so there is no trace of the minus process. As for which is higher and which is lower, we have to see each other.
Halfway to the appointment, no matter how well prepared, please face it calmly. It's just an exam, there's no need to be full of joy, and there's no need to be disappointed. It won't be long before the end of the term, and the coming to Japan will be long.
The more opportunities for sadism are, leave some emotions for the next time.