A N B N Formula Proof
The proposition was first stated as a theorem by pierre de fermat.
A n b n formula proof. In number theory fermat s last theorem sometimes called fermat s conjecture especially in older texts states that no three positive integers a b and c satisfy the equation a n b n c n for any integer value of n greater than 2. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. That s why the formula works n a u b n a n b n a b the n a b gets counted once as part of n a and gets counted again in part of n b when we add n a n b and so n a b must be subtracted once to take away the extra time it is counted. Tag 2 a b ab ba which is the definition usually used in physics.
The cases n 1 and n 2 have been known since antiquity to have infinitely many solutions. Suppose that you have a quadratic polynomial p x p x p x with complex roots α 1 alpha 1 α 1 and α 2 alpha 2 α 2 now you are asked to find the value of α 1 2 α 2 2 alpha 1 2 alpha 2 2 α 1 2 α 2 2 this seems very easy since you can use vieta s formula along with the identity a b 2 a 2 b 2 2 a b a b 2 a 2 b 2. It seems that the question v1 is caused by the fact that there are two different notions of the commutator. Tag 1 a b aba 1 b 1 or sometimes a b a 1 b 1 ab depending on convention which is relatively seldom used in physics.
One for group theory. In elementary algebra the binomial theorem or binomial expansion describes the algebraic expansion of powers of a binomial according to the theorem it is possible to expand the polynomial x y n into a sum involving terms of the form ax b y c where the exponents b and c are nonnegative integers with b c n and the coefficient a of each term is a specific positive integer depending. 3 using long division method divide a n b n by a b we can get the other factor. If you observe the expansion all the terms except the first one would be divisible by a b.
1 substituting a b in a n b n we have b n b n 0. 2 hence a b is a factor of a n b n.