`{:("भाग (A)","भाग (B)"),(d/(dx)(log_ex),"(a) "-1/2x^(-3//2)),(d/(dx)(log_ax),"(b) "(x+1)e^x),(d/(dx)(1/x^2),"(c) "1/x),(d/(dx)sqrt(ax+b),"(d) "3(x+2)^2),(d/(dx)(sinsqrtx),"(f) "(e^(sqrt(2x)))/(sqrt(2x))),(d/(dx)(x+2)^3,"(g) "(sec^2sqrtx)/(2sqrtx)),(d/(dx)(1/sqrtx),"(h) "a/(2sqrt(ax+b))),(d/(dx)e^(sqrt(2x)),"(i) "(cossqrtx)/(2sqrtx)),(d/(dx)tansqrtx,"(j) "-2/x^3):}`

Answer

b