因式分解：a^6-1/2a^4b^2c^2+1/16a^2b^4c^4
问题描述：
因式分解：a^6-1/2a^4b^2c^2+1/16a^2b^4c^4
答
a^6-1/2a^4b^2c^2+1/16a^2b^4c^4
=a^2[a^4-(1/2)a^2b^2c^2+(1/16)b^4c^4]
=a^2[a^2-(1/4)b^2c^2]^2