Recent content by Randomers

The thing is, I don't know what I'm meant to do with this. How do I go about rotating axes of an equation?

Homework Statement Rotation of axes to Eliminate the xy-term in a quadratic equation 3x^2 - 10xy + 3y^2 + 16 √2x - 32 = 0 2. The attempt at a solution I do not know the method that should be taken to solve this sort of question. That is what I am looking for. If anyone can point me...