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1. Question
Find the area enclosed by the and the y-axis by taking an element of area (a) parallel to the y-axis and (b) parallel to the x-axis

My working

I have attached it as pics Attachment 474359474361Attachment 474359474361474370
i dont understand the question especially the wording and what the ordinates are
its confusing as shown by my lack good working
i simply dont know what to do
Attached Images

2. (Original post by bigmansouf)
...
I don't know where you're getting your 4's and 7's from. They don't seem to relate to the question.

Here's a graph of the function with the desired area shaded, to get you started.
Attached Images

3. (Original post by ghostwalker)
I don't know where you're getting your 4's and 7's from. They don't seem to relate to the question.

Here's a graph of the function with the desired area shaded, to get you started.
what does "taking an element of the area" mean?
4. (Original post by bigmansouf)
what does "taking an element of the area" mean?
When you were first learning integration, you probably had an example that viewed it at vertical strips, of height y and width ; those would be the elements of the area, in this case vertical, and leads:

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Updated: November 2, 2015
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