Thursday

February 26, 2015

February 26, 2015

Posted by **kk** on Thursday, February 19, 2009 at 4:53pm.

- math -
**drwls**, Thursday, February 19, 2009 at 7:50pmAre you supposed to solve for x?

(5+x)ln x - 6x = 30

That looks to me like a transcendental equation that will have to be solved by iteration or graphing.

Try different values of x on the left side until you get +30.

If x = 0.01, (5+x)ln x - 6x = -23.12

If x = 0.05, (5+x)ln x - 6x = -15.4

If x = 0.1, (5+x)ln x - 6x = -12.3

If x = 1, (5+x)ln x - 6x = -6.0

If x = 2, (5+x)ln x - 6x = -7.15

If x = 10, (5+x)ln x - 6x = -25.6

If x = 20, (5+x)ln x - 6x = -45.1

It looks like there is no value of x for which the equation is valid.

**Answer this Question**

**Related Questions**

L'Hopital's rule - Find lim x->1+ of [(1/(x-1))-(1/lnx)]. Here is my work...

calculus - sorry to ask a second question so soon, but i'm just not getting this...

Calculus 1 - Find the derivative of y with respect to x. y=(x^6/6)(lnx)-(x^6/36...

calc - integral of 1 to e^4 dx/x(1+lnx) 1+lnx = a => dx/x = da dx/ x(1+lnx...

Calculus - Find the derivatives, dy/dx for the following functions. a. x^2y^4 = ...

math - how would you solve for y in this problem: ln(y-1)-ln2 = x +lnx ln(y-1)-...

Math - Find the coordinates of the turning point and determine wether it is ...

College Calc - Problem: y=sqrtx ^1/x. Find DY/DX. ln(f(x))=lnx^1/2x or lnx to ...

math - I am suppose to simplify the following problems: sqrt(x)/x (isn't that ...

calculus - (a) find the intervals on which f is incrs or decrs. (b) find the ...