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secondary 4 | A Maths
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Vignesh anand
Vignesh Anand

secondary 4 chevron_right A Maths chevron_right Singapore

Pls help. Thanks

Date Posted: 3 years ago
Views: 458
Eric Nicholas K
Eric Nicholas K
3 years ago
It’s the integrate with respect to y kind of question. The area to consider is the other area which extends to the y-axis instead of the x-axis.

Then we do rectangle - this integral to get the value of our wanted integral
Vignesh anand
Vignesh Anand
3 years ago
Can help do a working pls. I am not getting it
Eric Nicholas K
Eric Nicholas K
3 years ago
Unfortunately I’m not free for the moment

I write up once I am more free and if no one does the question yet
Vignesh anand
Vignesh Anand
3 years ago
Thanks

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
An idea
Vignesh anand
Vignesh Anand
3 years ago
Thanks a lot Mr Eric
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Vignesh anand
Vignesh Anand's answer
18 answers (A Helpful Person)
Mr. Eric, is my working correct?
Eric Nicholas K
Eric Nicholas K
3 years ago
Perfect

Later I still do my workings anyway
Eric Nicholas K
Eric Nicholas K
3 years ago
Sorry, will do at a later time as I became very sleepy yesterday
Vignesh anand
Vignesh Anand
3 years ago
Thanks a lot for your guidance
Eric Nicholas K
Eric Nicholas K
3 years ago
Remember to put the “dx” behind every time you attempt to integrate an expression using the integrate symbol.

This is because of a reason which is understood better in the A Level where you will find that the “dx” is really a quantity.
Vignesh anand
Vignesh Anand
3 years ago
Ok. Sure