(x-1/2)(2x+1)(2x²+1/2)除以(16x的四次方-1)等于几

发布时间:2021-02-25 12:16:44

(x-1/2)(2x+1)(2x²+1/2)除以(16x的四次方-1)等于几

网友回答

(x-1/2)(2x²+1/2)
=1/4*2(x-1/2)*2(2x²+1/2)
=1/4(2x-1)(4x²+1)
所以原式=1/4*(2x-1)(2x+1)/(4x²+1)/(16x^4-1)
=1/4*(4x²-1)/(4x²+1)/(16x^4-1)
=1/4*(16x^4-1)/(16x^4-1)
=1/4
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