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2021 IBDP MAA SL paper 2 压轴题解题过程

2022-03-28 16:14 作者:第一性原理 0人读过 | 我要投稿

M21/5/MATHX/SP2/ENG/TZ1/XX/M

Section B：

Question 9

question 9.

solution 9a,9b

solution 9c,9d(1)

solution 9 d(2): find the aera of A

the aera of A is divided into 2 parts: the red one and the blue one

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