5. y3+3siny+ln|y|+ln(1+x2)+tan−1x=c;y≡0 25. y=−xcosc+√1−x2sinc;y≡1;y≡−1 30. \(\text{If }q=rS\text{ then }I=\frac{I_{0}}{1+rI_{0}t}\text{ and }\lim_...5. y3+3siny+ln|y|+ln(1+x2)+tan−1x=c;y≡0 25. y=−xcosc+√1−x2sinc;y≡1;y≡−1 30. If q=rS then I=I01+rI0t and lim