12/11/17

Partial Derivatives
Let the surface z = f(x,y) be defined implicitly by the equation: sin(xyz)=x^(2)y^(2)+ z^(2) − 1 .(a). Find the partial derivatives ∂z ∂x and ∂z ∂y.(b). Find the equation of the tangent plane at the... more
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11/26/17

Find the local max and min values and saddle points. (Partial derivatives)
f(x,y) = xye-(x^2 + y^2)/2
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11/11/17

9x^2 + 9y^2 − 6x − 12y − 58 = 0 find the center and radius
how can I do that with x squared and y squared
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10/24/17

what's the measure of the interior angles of the convex of 11-gon
find the sum of the measures of the interior angles of the each convex 11-gon.
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10/23/17

cos(4theta)-cos(6theta)=0
cos(4θ)-cos(6θ) on the interval 0≤θ<2π
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10/19/17

I need some help with my math homework!!
X^8-28x^5+27x^2=0
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10/14/17

adj(kA)=k^n(n-1)det(A)^(n-1) HOW TO PROVE ????
A is non singular square matrix of order n and k is a non zero scaler
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10/09/17

Write down all the equilibrium solutions of dy/dx = 2y^2 +3y + 1
Show all working out please
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08/06/17

|x|+|y|=1+ |xy| how can I graph this?
how can I graph this |x|+|y|=1+ |xy|
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07/24/17

Calculus Question
Find the derivative of the following using implicit differentiation:   A) x = sin y + cos x B) xy-y3=sinx Help!?
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06/24/17

Approximate the zero(s) of the function. Use Newton’s Method and continue the process until two successive approximations ................
Approximate the zero(s) of the function. Use Newton’s Method and continue the process until two successive approximations differ by less than 0.001. Then find the zero(s) using a graphing utility... more
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05/14/17

solve (x^2-4xy-2y^2)dx+(y^2-4xy-2x^2)dy=0
solve (x^2-4xy-2y^2)dx+(y^2-4xy-2x^2)dy=0
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05/12/17

algebra 1 help please?
  z^2-3z+2            z^2+6z+8                     .         z^2+3z-4               z^2-4
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05/12/17

simplify the difference quotient
f(x)-f(a)/x-a for the given function  f(x)=4-3x-x^2
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05/11/17

How do i get the number of vertices of a grid of n hexagons?
What is the equation for finding the number of vertices in a grid on n hexagons
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05/10/17

derivative w(x) = 2cotx sin^2x
the derivative of w(x) = 2cotx sin^2x
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05/09/17

probability?
Martha flips a fair coin 9 times. What is the probability that on the next toss it will come up heads?
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05/08/17

Solve each trigonometric equation in the interval [0,2π). 2 sin3x-1=0
please help me understand this!!
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05/07/17

(e) Find the point(s) of intersection of the circles x^2 + y^2 - x + y - 12 = 0 and x^2 + y^2 - 4x - 2 = 0.
(e) Find the point(s) of intersection of the circles x^2 + y^2 - x + y - 12 = 0 and x^2 + y^2 - 4x - 2 = 0. (c) Find the equation of the two tangent lines drawn to the circlex^2 + y^2 + 6x -4y + 4... more
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05/07/17

Show that 1^2015 + 2^2015 + 3^2015.......+ 2015^2015 is divisible by 2015
Show that 1^2015 + .... 2015^2015 is multiple of 2015
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05/06/17

A parabola can be drawn given a focus of (0,3) and a directrix of x=8. What can be said about the parabola?
I'm doing an assignment of Delltamath.com and I had some trouble learning the material at school. 
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05/01/17

Find the Partial Derivative for f(xy) for f(x,y) = (1/y)lnx
got this wrong on my test and just wanted to know the right answer
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04/28/17

What is the sum of the solutions to the equation 3x^2+7x-2 = (x+1)^2?
I know how to figure it out, I don't know what to write for the sum of the solutions?  Do I see if any of the two solutions make the problem true?
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04/27/17

calculus help
Question 1:1. Given a cycle of radius 2, we put inside it 13 squares with all fours sides being 1 Show that there are at least 2 squares that share a point. Remake The area of a cycle of radius r... more
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04/24/17

Fundamental theorem of line integrals
F=e^y i+(xe^y+e^z)j + (ye^z)k evaluate ⌠Fdr along A(0,2,0) and B(4,0,3). Find if its conservative and if so find its potential then use A and B. 
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