4a^4-8a^2+4 因式分解
问题描述:
4a^4-8a^2+4 因式分解
答
4a^4-8a^2+4
=4(a^4-2a^2+1)
=4(a^2-1)^2
=4(a+1)^2*(a-1)^2
=[2(a+1)(a-1)]^2
答
4a^4-8a^2+4
=4(a^4-2a^2+1)
=4(a²-1)²
=4(a-1)(a+1)(a-1)(a+1)
答
4a^4-8a^2+4
=4(a^4-2a^2+1)
=4(a^2-1)^2
=4(a+1)^2*(a-1)^2
答
4a^4-8a^2+4
=4(a^4-2a^2+1)
=4(a^2-1)^2
=4(a+1)^2(a-1)^2