y=2x∧3 lnx x>o 求dy/d x
问题描述:
y=2x∧3 lnx x>o 求dy/d x
答
Iny=3Inx*Inx+In2 两边求导得 1/y*y'=3/x*Inx+3Inx*1/x dy/dx=2(3/x*Inx+3Inx*1/x)x^3Inx 最后化得 dy/dx=2(Inx^6)x^(3Inx -1)
y=2x∧3 lnx x>o 求dy/d x
Iny=3Inx*Inx+In2 两边求导得 1/y*y'=3/x*Inx+3Inx*1/x dy/dx=2(3/x*Inx+3Inx*1/x)x^3Inx 最后化得 dy/dx=2(Inx^6)x^(3Inx -1)