问题标题:
【(t+1)/(2t+1)的不定积分?】
问题描述:
(t+1)/(2t+1)的不定积分?
万寿红回答:
∫(t+1)/(2t+1)dt
=∫(t+1/2+1/2)/(2t+1)dt
=∫【1+1/(4t+2)】dt
=t+1/4∫1/(4t+2)d(4t+2)
=t+1/4ln4t+2+c
童家明回答:
你写错了=∫【1+1/(4t+2)】dt应该为=∫【1/2+1/(4t+2)】dt但还是谢谢我知道方法了
万寿红回答:
嗯,
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