Dear all,

Would appreciate some guidance for this question:

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

Attachment 9878

Thank you.

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- Jan 26th 2009, 06:09 PMHelpMathDetermine values
Dear all,

Would appreciate some guidance for this question:

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

Attachment 9878

Thank you. - Jan 26th 2009, 11:30 PMShowcase_22
If $\displaystyle q=ax+by$ then would $\displaystyle \frac{dq}{dx}=a$ so $\displaystyle \frac{dq}{dx}\frac{1}{y}=\frac{1}{y}$?

Is b also a constant? - Jan 26th 2009, 11:42 PMHelpMath
Had edited the equation above in image format for better viewing.

Thank you...