Представте в виде произведения многочленов выражение:
[tex]x^4+4[/tex]
x⁴+4=(x²)²+2²= ( (x²)² +2*2*x²+2²) - 2*2*x²= (x²+2)² - 4x² =(x²+2-2x)(x²+2+2x)
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x⁴+4=(x²)²+2²= ( (x²)² +2*2*x²+2²) - 2*2*x²= (x²+2)² - 4x² =(x²+2-2x)(x²+2+2x)