What are the key characteristics of the ellipse function in terms of its equation, center, major and minor axes lengths, eccentricity, and foci locations?
+
Math question: Can the equation a^n + b^n = c^n be satisfied for integers a, b, c, and n such that n > 2?
+
Question: Find the basis of the vector space spanned by {(2, -3, 1), (4, -6, 2), (-1, 1, -1)}.