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leehuan's All-Levels-Of-Maths SOS thread (3 Viewers)

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drsabz101

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Help ASAP

Solve these 3 equations to find real number p,q,r

P+2q-r=5
2p-q+r=3
P+3q-2r=8
 

Speed6

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Help ASAP

Solve these 3 equations to find real number p,q,r

P+2q-r=5
2p-q+r=3
P+3q-2r=8
Correct me if I am wrong, but it isn't this just simultaneous equations?

I.e make a subject and sub in and then evaluate etc with respect to all 3 variables?
 

drsabz101

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Also need help solving and sketching this inequality : IMG_2704.JPG
 

drsabz101

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I am really confused on how to draw inverse functions . Can someone please help. I just don't understand where I am reflecting the graphs.
 

Shuuya

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I am really confused on how to draw inverse functions . Can someone please help. I just don't understand where I am reflecting the graphs.
You reflect the graph about the line y=x, which is the dotted line in the diagram below

 

Paradoxica

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Can someone explain to me why there are no higher order analogues to the Gaussian Integers and Eisenstein Integers?

And for the sake of normal people, you are allowed to provide geometric intuition.
 
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