(a-½)(a+½)(a²-½a+¼)(a²+½a+¼)＝(a-½)(a²+½a+¼)(a+½)(a²-½a+¼)
＝(a^3－1/8)(a^3＋1/8)＝a^6－1/64
帮我算一道数学化简题,(a-½)(a+½)(a²-½a+¼)(a²+½a+¼)这样看有点不清楚,可以抄到纸上看= =.
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(a-½)(a+½)(a²-½a+¼)(a²+½a+¼)＝(a-½)(a²+½a+¼)(a+½)(a²-½a+¼)
＝(a^3－1/8)(a^3＋1/8)＝a^6－1/64