Post a New Question

Calculus

posted by .

Find:
1)x^2-y^2=15, normal at (-8,7)

  • Calculus -

    first, find the slope, then the negative reciprocal of that slope.

    2x dx-2ydy=0

    Put in x,y and find dy/dx.

    Now, the normal will be y=mx+b, m is the negative reciprocal of the dy/dx above, solve for b, and you have it.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question