Friday

April 18, 2014

April 18, 2014

Posted by **ayisha** on Thursday, October 13, 2011 at 9:13am.

- math -
**Steve**, Thursday, October 13, 2011 at 10:22amx^4 + 4x^2 + m + 8/x^2 + 4/x^4

well, we will have

(x^2 + k + 2/x^2)^2

x^4 + kx^2 + 2 + + kx^2 + k^2 + 2k/x^2 + 2 + 2k/x^2 + 4/x^4

x^4 + 2kx^2 + 4 + k^2 + 4k/x^2 + 4/x^4

equate like powers of x to find that we must have k=2

so m = 4+k^2 = 8

**Related Questions**

math - for what value of m, x4+4x2+m+8/x2+4/x4 is a complete square where x is ...

math-check my work - Differentiate y=x(x4+5)3 d/dx = [x(x4+5)3] d/dx = [f(x)g(x...

Math - Is this equation right is it worked correctly x 1 ----- - -------- x2-4 ...

math - I Wanted To Find The Square Root Of (1-2i) But I Didn't Know How To Solve...

Math - Went ahead and did the HW the teach recommended but she did not post the ...

Linear Algebra - Express the solutions of the following systems in terms of the ...

Math - Hi: I was wondering how I would even start to solve a problem like this. ...

maths - the solution set for the following 1.X3+x2-6x-10=0 2.2x2-4x-4=0 3.x4-x3-...

math - How many ordered tuples of 7 integers x1,x2,x3,x4,x5,x6,x7 are there, ...

Statistics - Suppose X1;X2;...;X5 is a random sample from a n(0; variance) ...