Teng Shu En's answer to jane's Junior College 2 H2 Maths Singapore question.
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Hello! It is because you are changing from dy to dx so you have to change the limits too!
When dy,
Ur top limit is ‘1/2’ right so when you change it to dx form it becomes ‘0’ like what your notes says in the box change the limit. Same for the the bottom integral! So its not always greater value on top, you follow the previous limit when it was in dy form :)
When dy,
Ur top limit is ‘1/2’ right so when you change it to dx form it becomes ‘0’ like what your notes says in the box change the limit. Same for the the bottom integral! So its not always greater value on top, you follow the previous limit when it was in dy form :)
Date Posted:
5 years ago
thank you!!! :)
thank u:)
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