![A classroom scene is depicted from a student's perspective within Nanjing University of Aeronautics and Astronautics in Jiangning District, Nanjing, Jiangsu, China. At the front of the room, a female instructor with dark, shoulder-length hair, wearing a grey V-neck top, stands facing the class, positioned between a large projector screen and a dark green blackboard. Her mouth is slightly open, indicating speech. The projector screen displays mathematical derivative formulas under the heading "Sequences," along with "School of Mathematics" and the university name. The blackboard contains chalk equations, including `h ≠ 0`, `(x^n)' = nx^(n-1)`, and `([Something]^n)' = n([Something])^(n-1) * (Something)'`. In the foreground and middle ground, three students are visible from behind, seated at light-colored individual desks. One student wears a dark jacket, another a brown and white plaid shirt, and a third a grey hooded sweatshirt. Overhead, fluorescent light fixtures and a white three-bladed ceiling fan are visible. The environment is consistent with a university lecture setting.](https://firebasestorage.googleapis.com/v0/b/patr-3a75e.appspot.com/o/uploads%2Fimage_picker_2a6c07c9-5052-4a4d-b.jpg?alt=media)
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A classroom scene is depicted from a student's perspective within Nanjing University of Aeronautics and Astronautics in Jiangning District, Nanjing, Jiangsu, China. At the front of the room, a female instructor with dark, shoulder-length hair, wearing a grey V-neck top, stands facing the class, positioned between a large projector screen and a dark green blackboard. Her mouth is slightly open, indicating speech. The projector screen displays mathematical derivative formulas under the heading "Sequences," along with "School of Mathematics" and the university name. The blackboard contains chalk equations, including `h ≠ 0`, `(x^n)' = nx^(n-1)`, and `([Something]^n)' = n([Something])^(n-1) * (Something)'`. In the foreground and middle ground, three students are visible from behind, seated at light-colored individual desks. One student wears a dark jacket, another a brown and white plaid shirt, and a third a grey hooded sweatshirt. Overhead, fluorescent light fixtures and a white three-bladed ceiling fan are visible. The environment is consistent with a university lecture setting.
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