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Vol. 11 No 1 - Pi Mu Epsilon

Vol. 11 No 1 - Pi Mu Epsilon

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''<br />

46 JOHN A. ZUEHLKE<br />

Proof of (2). If xn + yn = zn for x, y, z, n positive integers with n ~ 2, fix z and<br />

consider the graph of the function y = yl zn - xn<br />

(0, z- 1)<br />

(0, 0)<br />

Q,"<br />

I<br />

I<br />

___________ I ~

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