求不定积分∫ dx⼀(a^2-x^2)

2024-11-14 14:30:11
推荐回答(1个)
回答1:

原式=∫dx/(a+x)(a-x)
=1/2a*∫[1/(a+x)+1/(a-x)]dx
=1/2a*(ln|a+x|+ln|a-x|)+C
=ln|a²-x²|/2a+C