恆進教育中心

恆進教育中心

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11/04/2025


2025年 中學文憑試 Q34

其實教科書都冇提過,當然唔知 exp and log function 有呢d相交點。睇呢份paper 就清楚哂 (*試過用deepseek 都答得一半半, 冇提3個相交點,問深入就 server busy)
a^x=loga(x)
當a於0至1之問,交點數目是1或3. [參考 x=e^(-e)] (x=0.066)
(0,0.066) => 3
(0.066,1) => 1
the number of possible intersections is 1 or 3 where a is between 0 and 1.

當a大於1,交點目是0,1,2 [參考e^(1/e)](x=1.445)
(1,1.445) => 2
x=1.445 => 1
(1.445, +inf) => 0

the number of possible intersections is 0,1 or 2 where a is larger than 1.

參考以下:
https://ami.uni-eszterhazy.hu/uploads/papers/finalpdf/AMI_43_from159to170.pdf

22/03/2023

有學生問物理問題,Newton-metre 係等如功定等如力矩?

Photos from 恆進教育中心's post 22/03/2023

#中四數學題
N年前數學題,Q36, Q40 對一般S4,都有 d難度。

Photos from 恆進教育中心's post 25/03/2020
24/03/2020
Abacus 2005 16/09/2014
Abacus Class 2013 16/09/2014
Shop Photos 16/09/2014
2005 (梨木樹) 16/09/2014
PT Class 2014 16/09/2014
PO Class 2013 (兆康) 16/09/2014
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新界元朗天水圍俊宏軒商場地下 G08號舖
Tin Shui Wai

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