分解因式a^4-1/2a^2b^2c^2+1/16b^4c^4
问题描述：
分解因式a^4-1/2a^2b^2c^2+1/16b^4c^4
答
a^4-1/2a^2b^2c^2+1/16b^4c^4
=(a^2-1/4b^2c^2)^2
=(a+1/2bc)^2(a-1/2bc)^2