因式分解36x^4-17x^2y^2+2y^4

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因式分解36x^4-17x^2y^2+2y^4因式分解36x^4-17x^2y^2+2y^4因式分解36x^4-17x^2y^2+2y^436x^4-17x^2y^2+2y^4=36x^4-9x^2y

因式分解36x^4-17x^2y^2+2y^4
因式分解36x^4-17x^2y^2+2y^4

因式分解36x^4-17x^2y^2+2y^4
36x^4-17x^2y^2+2y^4
=36x^4-9x^2y^2-8x^2y^2+2y^4
=9x^2(4x^2-y^2)-2y^2(4x^2-y^2)
=(9x^2-2y^2)(4x^2-y^2)
=(9x^2-2y^2)(2x+y)(2x-y)(有理数范围内)
=(3x+根号2y)(3x-根号2y)(2x+y)(2x-y)(实数范围内)