`{:(,"स्तम्भ (A)",,"स्तम्भ(B)"),(1,int (dx)/(x^(2)+a^(2))=,a.,log(x-sqrt(x^(2)-a^(2)))),(2.,int(dx)/(sqrt(a^(2)-x^(2)))=,b.,(1)/(2)xsqrt(a^(2)-x^(2))+(1)/(2)a^(2)sin^(-1).(x)/(a)),(3.,intsqrt(a^(2)-x^(2))=,c.,(1)/(a)tan^(-1).(x)/(a)),(4.,int(dx)/(sqrt(x^(2)-a^(2)))=,d.,atan^(-1)x),(5.,intsqrt(a^(2)+x^(2))=,e.,sin^(-1).(x)/(a)),(,,f.,(x)/(2)sqrt(a^(2)+x^(2))+(a^(2))/(2)log(x+sqrt(a^(2)+x^(2)))),(,,g.,log(x+sqrt(x^(2)-a^(2)))):} `

Answer

`1 rarrc;2 rarr e; 3 rarr b ; 4 rarr g; 5 rarr f `