関連ワード:  derivative of sqrt 2x 4    derivative of sqrt 4x 2    derivative of sqrt 4x 2 1    derivative of 2 sqrt 4 x    derivative of sqrt(4x^2+9)    derivative of sqrt(3x^2+4)    derivative of sqrt x 2 4x    derivative of sqrt t 2 4    derivative of 4 sqrt 2x 3    derivative of 1/sqrt(1+4t^2)