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# Maths year 11

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Why bother with a post grad? Are they even worth it? Have your say! 26-10-2016
1. (Original post by RDKGames)
??? You're not multiplying them here.
Then how do I add them?

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2. (Original post by z_o_e)
Then how do I add them?

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Well certainly not by multiplying them, that's a whole other operation.

It's just that, though you can factor out the a which is helpful to simplify the overall fraction further.
3. (Original post by RDKGames)
Well certainly not by multiplying them, that's a whole other operation.

It's just that, though you can factor out the a which is helpful to simplify the overall fraction further.
3ab?

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4. No.

5. (Original post by RDKGames)
No.

So do I do the rest just like the same way?

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6. (Original post by z_o_e)

So do I do the rest just like the same way?

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Yes. That would be the final simplified answer.
7. (Original post by RDKGames)
Yes. That would be the final simplified answer.
Okay can you do a quick example on root 500 and simplifying it. On paper please x

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8. (Original post by RDKGames)
Yes. That would be the final simplified answer.
I can't really factories this and the numerators have no like terms

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9. (Original post by RDKGames)
Yes. That would be the final simplified answer.
I can't really factories this and the numerators have no like terms...

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10. (Original post by z_o_e)
Okay can you do a quick example on root 500 and simplifying it. On paper please x

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Lol sure, root 500 it is then.
Attachment 574822

Also that fraction with a, b, c and d cannot be factorised any further. Just make it a single fraction and you're done

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11. (Original post by z_o_e)
I can't really factories this and the numerators have no like terms...

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12. Hmmm confusing.

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13. (Original post by z_o_e)
Hmmm confusing.

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What's confusing about it? I'm splitting 500 into 2 and 250 as they make up the 500. Obviously I cannot decompose the 2 any further so I split the 250 into 2 and 125, and finally I split 125 into 5 and 25. There are all surds multiplied together so I just simplify the one's I can.
14. (Original post by RDKGames)
What's confusing about it? I'm splitting 500 into 2 and 250 as they make up the 500. Obviously I cannot decompose the 2 any further so I split the 250 into 2 and 125, and finally I split 125 into 5 and 25. There are all surds multiplied together so I just simplify the one's I can.
Doesn't 25 decompose into 5 and 5

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15. (Original post by z_o_e)
Doesn't 25 decompose into 5 and 5

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Yeah. But for one, I know that 25 is a square number so when it is square rooted, I would just get 5.

Otherwise, I could've written it as root 5 times root 5 but I would've gotten a 5 out of these two multiplied. I just skipped this step.
16. (Original post by RDKGames)
Yeah. But for one, I know that 25 is a square number so when it is square rooted, I would just get 5.

Otherwise, I could've written it as root 5 times root 5 but I would've gotten a 5 out of these two multiplied. I just skipped this step.
So using these circled numbers how would I find simplified of 500?

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17. yusss I got it!

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18. (Original post by z_o_e)
So using these circled numbers how would I find simplified of 500?

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It would be then just simplify whatever you can.
19. (Original post by RDKGames)
It would be then just simplify whatever you can.

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20. (Original post by z_o_e)

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Correct method except you must've gotten carried away because at the very bottom, 5 and 5 do not make up 10 with multiplication.

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Updated: October 26, 2016
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