(y^4+1/16)(y^2+1/4)(y+1/2)(y-1/2)正确率

题目详情

(y^4+1/16)(y^2+1/4)(y+1/2)(y-1/2)
正确率

▼优质解答

答案和解析

(y^4+1/16)(y^2+1/4)(y+1/2)(y-1/2)
=(y^4+1/16)(y^2+1/4)[(y+1/2)(y-1/2)]
=(y^4+1/16)[(y^2+1/4)(y^2-1/4)]
=(y^4+1/16)(y^4-1/16)
=y^8-1/32

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