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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04/23/17

the sum of a number and its reciprocal is 13/6 find the number
in 5 hours a secretory can address 100 envelopes another secretory can address 100 envelopes in 6 hours how long would it take the secretaries working together to address 300 envelopes 
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04/22/17

use newtons method to approximate the indicated root
Use Newton's method to approximate the indicated root of the following equation correct to six decimal places.The root of 2x^3−6x^2+3x+1=0in the interval [2,3].
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04/22/17

The schwarzchild radius of a black hole containing 7.95 x 10 ^ 28 kg is ___ meters
The schwarzchild radius of a black hole containg 7.95 x 10 ^ 28 kg is ___ meters
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04/21/17

Find the absolute max and min values
Find the absolute maximum and absolute minimum values of the functionf(x)=x^3−12x^2−27x+10over each of the indicated intervals.   a) Interval [-2,0] 1. Absolute max= 2. Absolute min=   b)... more
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04/21/17

Find dy/dx in terms of x and y
Find dy/dx in terms of x and y if x^3y−x−3y−10=0. dy/dx=____
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