In Search of an Elementary Proof for Fermat’s Last Theorem
P. N. Seetharaman
P. N Seetharaman, (Retired Executive Engineer, Energy Conservation Cell), Tamil Nadu State Electricity Board, Tamil Nadu, India.
Manuscript received on 30 March 2024 | Revised Manuscript received on 12 April 2024 | Manuscript Accepted on 15 April 2024 | Manuscript published on 30 April 2024 | PP: 35-39 | Volume-4 Issue-1, April 2024 | Retrieval Number: 100.1/ijam.A119005010425 | DOI: 10.54105/ijam.A1190.04010424
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Abstract: Fermat’s Last Theorem states that the equation x n + y n = z n has no solution for x, y and z as positive integers, where n is any positive integer > 2. Taking the proofs of Fermat and Euler for the exponents n = 4 and n = 3, it would suffice to prove the theorem for the exponent n = p, where p is any prime > 3. We hypothesize that r, s and t are positive integers satisfying the equation r p + s p = t p and establish a contradiction in this proof. We include another Auxiliary equation x 3 + y 3 = z 3 and connects these two equations by using the transformation equations. On solving the transformation equation we prove rst = 0, thus proving that only a trivial solution exists in the main equation r p + s p = t p.
Keywords: Transformation Equations To Two Fermat’s Equations, Mathematics Subject Classification 2010: 11A–XX.
Scope of the Article: Applied Mathematics