Isn't it just the same old weird teacher and weird student thing? There used to be a weird dungeon called Horror Schoolhouse, which she had almost cleared perfectly. However, she didn't really look down on Fang Zhiyi. After all, she heard from the system that this guy had a terrible reputation.
After entering the classroom, Merlin looked at the sparse and strange classmates. She found a seat and sat down with her arms folded, looking like no one else could do it better than her. She began to think about Fang Zhiyi's thoughts in her mind.
But the strange thing is that no students came to cause trouble, there was no blood dripping, and no human head appeared in the drawer.
The surroundings are peaceful, as peaceful as a normal school, except that the classrooms are a bit old.
The plot was still far from over, and Meilin felt strangely restless. She began to ponder Fang Zhiyi's information again. Based on the traces he left behind, this man was definitely not a simple person...
Finally, as a strange old man walked in, she finally perked up. Is it about to begin? She was already a little impatient.
But what happened next was beyond her understanding.
The strange teacher picked up the chalk and started writing on the blackboard.
“Let the function I(x) be defined by the following limit: I(x)=limn→∞∑k=1nn+ke−x⋅nk
Please complete the following questions:
Find the expression of I(x) (definite integral expression);
Prove that there is a unique minimum point x0 on I(x) (0, +∞);
Prove that the minimum point x0 satisfies the equation ∫011+tte−x0tdt=0, and determine whether x0 is greater than 1.
Merlin was stunned.
The audience in the live broadcast room were also stunned.
"No, where did this come from?"
"I graduated! I remember I graduated!"
"Is this a replica?"
"I never expected it. Seriously, even if you kill me, I wouldn't have thought there would be such an abstract copy."
"I was nervous just now, but then I suddenly realized I wasn't a challenger. This world is so beautiful."
In the weird live broadcast room, the screen was filled with question marks.
Suddenly, someone said strangely, "I know that old guy! Isn't he the old man from the Weird School?"
"Oh! I remember now. It's the guy who lectures to the empty air every day."
"I don't know what he wrote, but it looks pretty impressive."
The weirdos were talking about it.
The Dragon Country's analysis team all looked at Fang Zhiyi with strange eyes. Fang Zhiyi shrugged and said, "There's nothing I can do. The points given are limited. I can only make do with it."
Is this a matter of getting by?
Someone actually tried to solve this problem, but after a moment, they said, "Sorry, I'm useless."
Beads of sweat appeared on Merlin's forehead, especially when she saw the weird classmates around her writing and drawing seriously. She felt like her cerebellum was atrophying. How could there be a psychopath who would do such a thing?
The strange teacher emphasized slowly, "This is one of the graduation questions. Please raise your hands if you have finished it."
Merlin looked at the question as if she was reading a heavenly book. After a full half day, she suddenly understood Fang Zhiyi. Now she wanted to become Fang Zhiyi!
"System! Strengthen me!" She decided to fight her way through this copy.
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