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Paul
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This is for the ones lacking math drills for the last 24 27 Dec 2003, 23:25
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This is for the ones lacking math drills for the last 24 hours

If c and d are positive, is d an integer?

1) c = d^3
2) d = SQRT c



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This is for the ones lacking math drills for the last 24 27 Dec 2003, 23:33
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C. Don't know anything other than 1 or 0, which are integers, for C.
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This is for the ones lacking math drills for the last 24 27 Dec 2003, 23:36
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A) C = D^3
doesn't give you anything.. not suff
B) D^2 = C
not suff.

combine.. D^3=D^2
possibilities, 0 or 1.

C, suff.
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This is for the ones lacking math drills for the last 24 27 Dec 2003, 23:41
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:yes Good answer. Pretty lucid for a saturday night 2 AM :wink



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