King
I will post the question in the reply box...help....



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King
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how do i put fraction iin equation editor?this is not the question


King
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\[\frac{1}{1+x ^{ab}+x ^{bc}} + \frac{1}{1+x ^{bc}x ^{ba}} + \frac{1}{1+x ^{cb}+x ^{ca}}\]

King
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Prove this

King
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prove that the above is equal to 1

experimentX
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\[ \frac{1}{1+x ^{ab}+x ^{bc}} + \frac{1}{1+x ^{bc} + x ^{ba}} + \frac{1}{1+x ^{cb}+x ^{ca}} \]

King
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yeah prove that that is equal to 1

experimentX
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doesn't look symmetric ... are you sure this is the one?

King
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oh sry it is ac instead of bc

ajprincess
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\[x^{ba}=x ^{b}*x ^{a}=x ^{b}/x ^{a}\]

experimentX
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My supertrick
click right ... show math as => tex commands .... copy the code ... and retype the question

King
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\frac{1}{1+x ^{ab}+x ^{ac}} + \frac{1}{1+x ^{bc} + x ^{ba}} + \frac{1}{1+x ^{cb}+x ^{ca}}

King
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\[\frac{1}{1+x ^{ab}+x ^{ac}} + \frac{1}{1+x ^{bc} + x ^{ba}} + \frac{1}{1+x ^{cb}+x ^{ca}} \]

King
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\[\frac{1}{1+x ^{ab}+x ^{ac}} + \frac{1}{1+x ^{bc} + x ^{ba}} + \frac{1}{1+x ^{cb}+x ^{ca}} =1\]

King
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prove the above thing

experimentX
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multiply
\[ \frac{x^{a}}{x^{a}(1+x ^{ab}+x ^{ac})}\]
do similar for others

King
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i dont get it hw?

ajprincess
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dw:1339638805794:dwdw:1339638918893:dw
Can u do the same for the others?

King
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yeah got it!!
Solved!!
Thnx..@ajprincess @experimentX

King
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Thnx... @ajprincess

ajprincess
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U r welcome.

experimentX
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yw