因式分解x^4y^2-13x^2y+36

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因式分解x^4y^2-13x^2y+36

因式分解x^4y^2-13x^2y+36
因式分解x^4y^2-13x^2y+36

因式分解x^4y^2-13x^2y+36
=x^4y^2-2*(13/2)x^2y+(13/2)^2 - 25/4
=(x^2y-13/2)^2 - (5/2)^2
=(x^2y-4)(x^2y-9)

x^4y^2-13x^2y+36
=(x^2y-4)(x^2y-9)

x⁴y²-13x²y+36
=(x²y)²-13x²y+36
=(x²y-4)(x²y-9)