Stake attention in this memory
A classroom scene is observed from a student's perspective at Nanjing University of Aeronautics and Astronautics, School of Mathematics, located in Jiangning District, China. In the foreground, the back of a student wearing a black hijab and a beige coat with a white faux fur collar is visible, seated at a light-colored desk. Further back, at least three other students are seated at individual desks, facing the front of the classroom; one wears a grey hooded sweatshirt, and another has dark, curly hair. At the front, a female instructor with dark hair, wearing a grey long-sleeved top, stands behind a light-colored podium. Her arms are crossed. To her left is a large white projection screen displaying a slide titled "Implicit Differentiation" from "School of Mathematics, Nanjing University of Aeronautics and Astronautics." The slide presents text defining implicit differentiation, including the phrases "In human speak..." and "If you treat y like a differentiable function of x and you can solve for dy/dx after differentiating the equation f(x,y) = C, then dy/dx exists." A faint world map graphic underlies the text. To the right of the projection screen, a green chalkboard is filled with handwritten white chalk equations and diagrams, including derivatives involving trigonometric functions and a circle equation. The classroom ceiling consists of square acoustic tiles, featuring recessed fluorescent light panels, two white ceiling fans, and a white ceiling-mounted projector positioned above an air conditioning unit. A digital clock displaying "09 32" is mounted on the left wall.
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