d/dx (x^7)
7x^6
d/dx (x^2sinx)
x^2cosx + 2xsinx
d/dx ((3x^2+9)/(x-5))
((x-5)(6x)-(3x^2+9)(1))/(x-5)^2 = (6x^2-30x-3x^2-9)/((x-5)^2) = (3x^2-30x-9)/((x-5)^2)
d/dx ((6x^2+7x)^4)
4(6x^2+7x)^3*(12x+7)
d/dx (1/3 x^12 + 1/5x^20)
4x^11 + 4x^19
d/dx (sinxcosx)
-sin^2x+cos^2x
d/dx ((4sqrt(x))/(x^2-2))
((x^2-2)*2x^(-1/2) - 4x^(1/2)(2x))/(x^2-2)^2
=
(2x^(-1/2)(x^2-2) - 8x^(3/2))/((x^2-2)^2)
d/dx (e^(1-cosx))
e^(1-cosx)*(sinx)
d/dx (3/7x^14 - 3x^8-2x^-3)
6x^13 - 24x^7 + 6x^-4
or
6x^13 - 24x^7 + 6/x^4
d/dx((3x^5-1)(x^3+5x^2+2))
(3x^5-1)(3x^2+10x) + (15x^4)(x^3+5x^2+2)
or expanded form:
9x^7 + 30x^6-3x^2-10x + 15x^7 + 75x^6 + 30x^4 = 24x^7 + 105x^6 + 30x^4 - 3x^2 - 10x
d/dx ((6root(3)(x))/(4x^2+1))
((4x^2+1)(2x^(-2/3))-6x^(1/3)(8x))/(4x^2+1)^2
d/dx (ln(1-5x^3-x^7))
1/(1-5x^3-x^7)*(-15x^2-7x^6)
d/dx (1/8x^(8/3) - 5/2 x^(12/25))
1/3 x^(5/3) - 6/5 x^(-13/25)
d/dx((5x^5-x^7)(20x^2+3x^-7))
(5x^5-x^7)(40x-21x^-8)+(25x^4-7x^6)(20x^2+3x^-7)
or expanded form:
200x^6 - 105x^-3 -40x^8 +21x^-1 + 500x^6 + 75x^-3 -140x^8 -21x^-1 = 700x^6 - 30x^-3 -180x^8
d/dx ((4sinx)/(2x+cosx))
((2x+cosx)(4cosx)-(4sinx)(2-sinx))/(2x+cosx)^2
d/dx x^2ln(x^5)
x^2(1/x^5*5x^4) + 2xln(x^5)
d/dx (1/x - 2/x^2 + 3/x^3 - 4/x^4 + 5/x^5)
-x^-2 + 4x^-3 -9x^-4+16x^-5 -25x^-6
d/dx ((tanx)(lnx))
(tanx)(1/x) + (sec^2(x))(lnx)
d/dx((1-lnx)/(x^2-lnx))
((x^2-lnx)(-1/x)-(1-lnx)(2x-1/x))/(x^2-lnx)^2
d/dx (2sin(3x+tanx))
2cos(3x+tan(x))*(3+sec^2x)