Drive an equation of the tangent plane to the surface

Assignment Help Mathematics
Reference no: EM131013756

1. Determine whether the function is a solution of Laplaces equation uxx uyy =0.

u= ln(x2 - y2) + 2 tan-l(y/x).

2. Find an equation of the tangent plane to the surface z = ex^2-y^2, at the point(1, -1, 1).

Reference no: EM131013756

Questions Cloud

What is your estimate of the stocks current value : Sawchuck Consulting has been profitable for the last 5 years, but it has never paid a dividend. Management has indicated that it plans to pay a $0.25 dividend 3 years from today, then to increase it at a relatively rapid rate for 2 years, and then to..
Which the revenues and expenses are reported : What is the reason for the apparent inconsistency between the fund types in which the revenues and expenses are reported?
Is cutoff wavelength dependent on dielectric in waveguide : Is the cutoff wavelength dependent on the dielectric in the waveguide? Is the cutoff fre- quency dependent on the dielectric in the waveguide? What is guide wavelength?
About the growing annuity payments : You want to accumulate $3 millions by your retirement date, which is 25 years from now. You will make 25 deposits in your bank, with the first occurring today. The bank pays 7.82% interest, compounded annually. How much must your first deposit be to ..
Drive an equation of the tangent plane to the surface : Find an equation of the tangent plane to the surface z = ex^2-y^2, at the point(1, -1, 1). Determine whether the function is a solution of Laplaces equation uxx uyy =0.  u= ln(x2 - y2) + 2 tan-l(y/x).
Media is considering some new equipment whose data : Thomson Media is considering some new equipment whose data are shown below. The equipment would be depreciated over a 3 year MACRS life, but it would have a salvage value at the end of Year 3, when the project would be closed down.
How would you characterize a transverse magnetic wave : How would you characterize a transverse magnetic wave? Compare the phenomenon of guiding of uniform plane waves in a parallel-plate wave- guide with that in a parallel-plate transmission line.
Calculate the standard deviation of returns for each stock : Suppose you had held a portfolio consisting of 50% of Stock A and 50% of Stock B. Calculate the standard deviation of returns for each stock for the portfolio. Year rA rB 2009 -30.00% -7.50% 2010 63.00% 22.50% 2011 30.00% -19.50% 2012 -12.00% 75.00% ..
Following shareholders equity section of the balance sheet : They pay $ 30.00 per share. With this purchase, the impact on Total Paid-in Capital and the total Shareholders Equity, respectively, will be:a. increase/increaseb. decrease/decreasec. increase/decreased. decrease/increasee. none/decrease

Reviews

Write a Review

 

Mathematics Questions & Answers

  At what rate must air be removed

A spherical balloon is to be deflated so that its radius decreases at a constant rate of 7 cm/min. At what rate must air be removed when the radius is 9 cm?

  How many overtime hours did she work

Leah makes $24 per hour for a 40-hour week and time and a half for every hour over 40 hours. If she made $1140 last week, how many overtime hours did she work?

  Average rate of change of the function

Problem 1: Find the average rate of change of the function over the given interval.

  Find the level of production for each sector in order

Find the level of production for each sector in order to satisfy the demand for $100 million worth of food, $40 million worth of clothing, and $250 million worth of shelter. (Round your answer to the nearest whole number.)

  Solve the systems of equations by graphing

Need help solving a math question Solve the systems of equations by graphing. Check your solution.Y=-4x+23y+12x=6

  Find the area s of the region bounded by the parabola

Find the area S of the region bounded by the parabola y = 3x2, the tangent line to this parabola at (4, 48), and the x-axis.

  Volume and surface area of solid

The region bound by the circle (x-a)^2 + y^2 = a^2 is revolved around about the y-axis to generate a solid

  What will be the area and perimeter of the new rectangle

The area of a certain rectangle is 288 yd2. The perimeter is 68 yd. If you double the length and width what will be the area and perimeter of the new rectangle.

  The exterior angles of a triangle measure

The exterior angles of a triangle measure

  Find the equation of this parabola

A laboratory designed a radio telescope with a diameter of 320 ft and maximum depth of 48 feet. The graph depicts a cross section of this telescope. Find the equation of this parabola.

  Define how man are taking algebra but not calculus

442 are taking college algebra, 229 are taking calculus and 51 are taking both college algebra and calculus. how man are taking algebra but not calculus

  What amount must be deposited today

1.If a savings account awards interest of 6 percent per year compounded quarterly, what amount must be deposited today in order to accumulate $20,000 after 5 years? How much interest will be earned during these 5 years?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd