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by rnaah » Fri Sep 30, 2011 2:48 am
if x^4 + y^4 = 100, then the greatest possible value of x is between 0 - 3, 3 - 6, 6 - 9, 9 - 12, 12 - 15.
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by Anurag@Gurome » Fri Sep 30, 2011 4:34 am
rnaah wrote:if x^4 + y^4 = 100, then the greatest possible value of x is between 0 - 3, 3 - 6, 6 - 9, 9 - 12, 12 - 15.

x can be maximum if y is the least and the least possible value of y = 0.
If x = 3 then 34 = 81, which implies x should be greater than 3.

The correct answer is B.
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