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Firstly we should try to establish the geometry of the room, ie identify the lines in which the walls lay.
Noticing that two of the points have the same x coordinate of x = 10 suggests that there mu...

Differentiation => 4X³ - 20X² + 4XTo find the stationary points, set this differentiation = 04x (x²- 5x +4)4x (x-4)(x-1)x=0, x=4, x=1 are stationary points.
Find ...

Firstly, I haven't seen the notation I used in alevel but I just used it for the sake of ease of typing it online.1st. Sub in the trial solution f(x)= Ae^(mx) and its derivatives- f'(x)= Ame^(mx) and f''(...

I would first define the chronological framework for answering the question. For this question, I'd answer in reference to the period from the 1830s - 1911, as the later Qing period from the time of susta...

Order the data:125, 160, 169, 171, 175, 186, 210, 243, 250, 258, 390, 420Find middle observation:[125, 160, 169, 171, 175, 186] | [210, 243, 250, 258, 390, 420]Median = (186 + 210)/2 = 198Find middle obse...