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x^4 + y^4

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Source: — Data Sufficiency |
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by netigen » Sat May 31, 2008 12:18 pm
Ans is E

Best way is to plug numbers

x=y=z =1 we get yes
x=3 y=3 and z=4 we get no
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by aatech » Sat May 31, 2008 12:41 pm
Yes, OA is E
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