设f(x)=x/2+1/x(x
问题描述:
设f(x)=x/2+1/x(x
数学人气:699 ℃时间:2020-10-01 19:18:26
优质解答
f'(x)=1/2-1/x²
=(x²-2)/2x²(x+√2)(x-√2)/2x²x所以
减区间为:-√2
=(x²-2)/2x²(x+√2)(x-√2)/2x²x所以
减区间为:-√2
答
f'(x)=1/2-1/x²
=(x²-2)/2x²(x+√2)(x-√2)/2x²x所以
减区间为:-√2