Recent content by Snippy

Why is the characteristic of (d/dx) + (d/dt) = 0 where d is small delta c = x - t and not c = x + t

My problem is I don't know what the difference between the equations for the 3 different problems is in order to check the axioms.

Homework Statement Use the subspace theorem to decide which of the following are real vector spaces with the usual operations. a) The set of all real polynomials of any degree. b) The set of real polynomials of degree \leq n c) The set of real polynomails of degree exactly n...

Thanks :)

Homework Statement For the following linear system: \frac{dx}{dt} = -2x \frac{dy}{dt} = -2y Obtain the general solution. Homework Equations The Attempt at a Solution A= -2 0 0 -2 Using the determinant of A-\lambdaI I got a repeated eigenvalue of -2. I am...