x^4+16因式分解
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x^4+16因式分解
x^4+16因式分解
x^4+16因式分解
x^4+16
=x^4+8x^2+16-8x^2
=(x^2+4)^2-[(2√2)x]^2
=[x^2+(2√2)x+4][x^2-(2√2)x+4]
x^4+16
=x^4+16+4x²-4x²
=(x²+4)²-4x²
=(x²+2x+4)(x²-2x+4)
x^4+16因式分解
x^4+16因式分解
x^4+16因式分解
x^4+16
=x^4+8x^2+16-8x^2
=(x^2+4)^2-[(2√2)x]^2
=[x^2+(2√2)x+4][x^2-(2√2)x+4]
x^4+16
=x^4+16+4x²-4x²
=(x²+4)²-4x²
=(x²+2x+4)(x²-2x+4)