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#1 Help Me ! » Differentiation Explanation » 2009-02-05 12:31:01

HelpMath
Replies: 1

Hi,

I am thinking if this question relates to a graph or triangle to get the equation of x and r as a variable and how to get the r variable that is within both equation.

#2 Re: Help Me ! » Differientiation help » 2009-02-03 13:27:05

Thank you for your guidance!
Just to clarify my ans to (dx/dq)r = a/a^2 + b^2

so multiple the two will get: a^2 / a^2 + b^2

Am I right to say that?

#3 Help Me ! » Differientiation help » 2009-02-02 12:46:31

HelpMath
Replies: 4

Hi all,

I had been stuck with this question for almost 2 weeks and really need your expertise.

If q = ax + by and r = bx - ay, determine the value of:

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