回答:
#(dy)/(dx)=(xsen(x ^ 2 + 2)+ sen(x + 2))/(sqrtcos(x ^ 2 + 2)+ sqrt(cos ^ 2(x + 2)))#
説明:
#(dy)/(dx)= 1 /(2sqrtcos(x ^ 2 + 2)+ sqrt(cos ^ 2(x + 2)))* sen(x ^ 2 + 2)* 2x + 2sen(x + 2) )#
#(dy)/(dx)=(2xsen(x ^ 2 + 2)+ 2sen(x + 2))/(2sqrtcos(x ^ 2 + 2)+ sqrt(cos ^ 2(x + 2)))#
#(dy)/(dx)=(cancel2(xsen(x ^ 2 + 2)+ sen(x + 2)))/(cancel2sqrtcos(x ^ 2 + 2)+ sqrt(cos ^ 2(x + 2)) ))#
#(dy)/(dx)=(xsen(x ^ 2 + 2)+ sen(x + 2))/(sqrtcos(x ^ 2 + 2)+ sqrt(cos ^ 2(x + 2)))#