Anonymous
Anonymous asked in 科學數學 · 1 decade ago

Mathematics

1. Simplify the following expressions.

(a) [(4x^2-y^2)/(9x^2+6x+1)]×[(3x+1)/(2x+y)]

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  • 1 decade ago
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    1. Simplify the following expressions.

    (a) [(4x^2-y^2)/(9x^2+6x+1)][(3x+1)/(2x+y)]

    =[(2x-y)(2x+y)*(3x+1)]/[(3x+1)^2*(2x+y)]

    =(2x-y)/(3x+1)

    Ans: (2x-y)/(3x+1)

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