How to prove: for 2 real coefficent polynomials f(x), g(x), there exist HCF which is in form a(x)f(x)+b(x)g(x), for some real coefficent poltnomials a(x),b(x)

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- July 15th 2012, 07:22 AMjohnnylam123How to prove this HCF of poly?
How to prove: for 2 real coefficent polynomials f(x), g(x), there exist HCF which is in form a(x)f(x)+b(x)g(x), for some real coefficent poltnomials a(x),b(x)