英文微积分数学题!!!!!

if f(x) = x^2-2x. which is the f✀(1) ?用极限做,就是h趋近于0的那种
2025-04-06 22:57:05
推荐回答(1个)
回答1:

f'(1)=lim(h->0) [f(1+h)-f(1)]/h
=lim(h->0) [(1+h)^2-2(1+h)-1+2]/h
=lim(h->0) h
=0