求解几道高数题,需要详细步骤

2025-04-13 00:48:26
推荐回答(1个)
回答1:

(b)0穷乘界=穷(f)1/3母同除x别取极限(e)负穷=ln((x+1)/(x^2-1))极限=ln(1/(x-1))极限 5(a)5^2=-2*5^2+5a+b,2*5=-4*5+a 解程组即