math

posted by elis

differentiate y=(x)^(1/2)e^(-x).i need the calculation work. [ans: -x^(1/2)e^(-x) + 1/2(x^-1/2)e^(-x)]

1. drwls

Use the product rule.

d/dx (u*v) = u(dv/dx) + v(du/dx)

u = x^(1/2)
du/dx = (1/2)*x(-1/2)
v = e^-x
dv/dx = -e^-x

You do the rest

Similar Questions

1. math

differentiate y=-4x^2cos x. i need to know the calculation work. (ans: 4x^2sinx - 8xcosx)
2. math

differentiate y=e^x/(x)^(1/2).i need the calculation work.[ans: e^x/x^(1/2) - e^x/2x^(3/2)]
3. math

f'(x).... y=(e^x-e^-x)/(e^x+e^-x). I need the calculation work. [ans: 4/(e^x+e^-x)^2]
4. math

dy/dx of the following: x^2y^2=2/x^2 [ans:-1/x^4y -y/x]. i need the calculation work.
5. chem

a mixture of 50g of S & 1x10^2g of Cl2 reacts completely to form S2Cl2 &SCl2. Find the mass of S2Cl2 formed. (ans:20.2g) i need the calculation work bcus i got diff. from the ans which is 70.2g.
6. chem

compute theoretical yield (g) ~2Al+3Cl2->2AlCl3 ~2g Al, 2g Cl2 [ans:2.5g AlCl3] i need the calculation work bcus i got diff from the ans which is 7.12 g.
7. math

find the eqt. of the tangent to the curves at (1,2). y^3+y^3=9(xy-1) [ans: y=5x-5] could some1 show me the calculation work bcus my ans is y=(6x+4)/5.
8. chem

an aq. solution(NaCl) made by using 133g diluted to a total solution volume of 1 L.Calculate the molarity, molality & mass % of the solution(density of solution = 1.08g/mL) [ans: M=1.92M, m=2.0m, 10.4 %] i need the calculation work …
9. chem

an aq. solution(NaCl) made by using 133g diluted to a total solution volume of 1 L.Calculate the molarity, molality & mass % of the solution(density of solution = 1.08g/mL) [ans: M=1.92M, m=2.0m, 10.4 %] i need the calculation work …
10. Math

How to differentiate e^e^x? Ans at wolfram is e^(x+e^x). I need the calculation method.

More Similar Questions