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junior college 1 | H2 Maths
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Zxcvbnm
Zxcvbnm

junior college 1 chevron_right H2 Maths

Need help with qn 10(i) thanks.

Date Posted: 6 years ago
Views: 265
Daniel
Daniel
6 years ago
Sub x with e^x

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done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Tham KY
Tham Ky's answer
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Zxcvbnm
Zxcvbnm
6 years ago
From the 3rd to 4th step, where did the negative sign for the "e" go to? Thanks.
Tham KY
Tham KY
6 years ago
For LHS, negative within the modulus sign will becomes positive, so it is gone.
For RHS, negative after square becomes positive, so it is also gone.
Zxcvbnm
Zxcvbnm
6 years ago
I see. Thank you!