当X=√2时,求式子X²-3X+3√2
问题描述:
当X=√2时,求式子X²-3X+3√2
答
X²-3X+3√2
=(√2)^2-3√2+3√2
=2
当X=√2时,求式子X²-3X+3√2
X²-3X+3√2
=(√2)^2-3√2+3√2
=2