2. Let S,T C R" with S being a proper subset of T. If span(S) = span(T), then T is linearly dependent.
Family of Curves
A family of curves is a group of curves that are each described by a parametrization in which one or more variables are parameters. In general, the parameters have more complexity on the assembly of the curve than an ordinary linear transformation. These families appear commonly in the solution of differential equations. When a constant of integration is added, it is normally modified algebraically until it no longer replicates a plain linear transformation. The order of a differential equation depends on how many uncertain variables appear in the corresponding curve. The order of the differential equation acquired is two if two unknown variables exist in an equation belonging to this family.
XZ Plane
In order to understand XZ plane, it's helpful to understand two-dimensional and three-dimensional spaces. To plot a point on a plane, two numbers are needed, and these two numbers in the plane can be represented as an ordered pair (a,b) where a and b are real numbers and a is the horizontal coordinate and b is the vertical coordinate. This type of plane is called two-dimensional and it contains two perpendicular axes, the horizontal axis, and the vertical axis.
Euclidean Geometry
Geometry is the branch of mathematics that deals with flat surfaces like lines, angles, points, two-dimensional figures, etc. In Euclidean geometry, one studies the geometrical shapes that rely on different theorems and axioms. This (pure mathematics) geometry was introduced by the Greek mathematician Euclid, and that is why it is called Euclidean geometry. Euclid explained this in his book named 'elements'. Euclid's method in Euclidean geometry involves handling a small group of innately captivate axioms and incorporating many of these other propositions. The elements written by Euclid are the fundamentals for the study of geometry from a modern mathematical perspective. Elements comprise Euclidean theories, postulates, axioms, construction, and mathematical proofs of propositions.
Lines and Angles
In a two-dimensional plane, a line is simply a figure that joins two points. Usually, lines are used for presenting objects that are straight in shape and have minimal depth or width.
![For each question:
- Clearly state: True or False
- If True, provide a concise explanation
- If False, provide an explicit counterexample
1. Let A = b be a consistent, inhomogeneous system of linear equations. A solution to the system
is given by i = A-
2. Let S, T C R" with S being a proper subset of T. If span(S) = span(T), then T is linearly
dependent.
3. Let S C P(R) be the set of all even degree polynomials. Then S forms a subspace of P(R).
4. Consider two maps S, T : R" R". The composition SoT is a linear map if and only if both
S and T are linear maps
5. Any invertible 3 x 3 real matrix M is a matrix of change of basis [C]g for some bases B and C.
6. Let W be a finite dimensional subspace of an inner product space V. For each w e W, there
exists a unique v EV such that w is an orthogonal projection of v on W.
7. Let A be a 4 x 4 matrix such that the homogeneous equation Af = õ has general solution
i = Xữ for some non-zero vector TER. Then, rank(A) = 3.
%3D
8. Let V be a inner product space and let a e V be a non-zero vector. The subset U defined by
U = {ie V(F, ā) = 0}
is a subspace of V
9. If A ER is a common eigenvalue of two n x n matrices A and B, then A is also an eigenvalue
of A+ B.
10. If a square matrix M has a stable distribution, then it must be regular](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F861e3ce5-09b0-437a-ad8c-3c26f27a57e3%2F9b178122-31ba-43a0-a34e-4462f28fa2bb%2Fxpviod6_processed.jpeg&w=3840&q=75)
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