Maths year 11
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Original post by RDKGames
Good.
Now I added the like terms
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Original post by z_o_e
Yep
Original post by z_o_e
Yeah you can go further than that.
Original post by RDKGames
Yeah you can go further than that.
Can I do -6 root 4?
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Original post by z_o_e
No, why are you multiplying them...?
Original post by RDKGames
No, why are you multiplying them...?
Do I just leave them as they are?
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Original post by RDKGames
No, why are you multiplying them...?
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Original post by z_o_e
heyyyy you got there
Original post by z_o_e
wouldn't it be 1root2 - 2 + 6 = 1root2 + 4
Original post by RDKGames
heyyyy you got there
Yaaaaay
Thank you
I just thought hard and got it
Do you mind giving me 3 examples of similar surd questions including simplifying and expanding and any haha x
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Original post by 4nonymous
wouldn't it be 1root2 - 2 + 6 = 1root2 + 4
Original post by z_o_e
Yaaaaay
Thank you
I just thought hard and got it
Do you mind giving me 3 examples of similar surd questions including simplifying and expanding and any haha x
Posted from TSR Mobile
Thank you
I just thought hard and got it
Do you mind giving me 3 examples of similar surd questions including simplifying and expanding and any haha x
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Yep it should be. After spending a while on hoping you would realise that root 4 is 2 I completely disregarded the sign lol.
Original post by z_o_e
Yaaaaay
Thank you
I just thought hard and got it
Do you mind giving me 3 examples of similar surd questions including simplifying and expanding and any haha x
Posted from TSR Mobile
Thank you
I just thought hard and got it
Do you mind giving me 3 examples of similar surd questions including simplifying and expanding and any haha x
Posted from TSR Mobile
(edited 7 years ago)
Original post by RDKGames
How do I multiply 3 root 7 by 3 root 3?
I think I need to work on adding and subtracting surds tomorrow and division..etc
Original post by z_o_e
How do I multiply 3 root 7 by 3 root 3?
I think I need to work on adding and subtracting surds tomorrow and division..etc
I think I need to work on adding and subtracting surds tomorrow and division..etc
Why would you multiply 3 root 7 by 3 root 3? Where are you getting this from?
Original post by RDKGames
Why would you multiply 3 root 7 by 3 root 3? Where are you getting this from?
Sorry did it again...
How do I solve the second bracket
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Original post by z_o_e
Well you have 3 x 3 x root7 x root7 so do whatever you think is right here.
Original post by RDKGames
Well you have 3 x 3 x root7 x root7 so do whatever you think is right here.
I'm not sure. I think root 7 stays and I multiply 3*3
so 9 root 7
Original post by z_o_e
I'm not sure. I think root 7 stays and I multiply 3*3
so 9 root 7
so 9 root 7
3*3*root7*root7
3-3=9
root7*root7=7
(remember when you multiply roots you just multiply the numbers on the inside so here you get root 49 = 7 although its easier to just know that the same roots multiplied you just get rid of the root)
so its 9*7=63
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