Saturday, March 1, 2025

4 Semester Maths questions and answers

### **Unit 1: Vector Spaces**

1. Define a vector space and provide examples.

2. Prove that the set of all real-valued functions forms a vector space.

3. What is a subspace? Give examples and non-examples.

4. Prove that the intersection of two subspaces is a subspace.

5. Define linear independence and dependence of vectors. Provide examples.

6. Find a basis for the vector space \( \mathbb{R}^3 \).

7. State and prove the Rank-Nullity thereom


### **Unit 2: Linear Transformations**

1. Define a linear transformation and provide examples.

2. Prove that the kernel and image of a linear transformation are subspaces.

3. Find the matrix representation of a given linear transformation.

4. Determine whether a given transformation is injective, surjective, or bijective.

5. State and prove the Dimension Theorem for linear transformations.

6. Compute the rank and nullity of a given matrix.**Unit 3: Matrices and Determinants**

1. Define the determinant of a matrix and explain its properties.

2. Compute the determinant of a 3x3 or 4x4 matrix.

3. Prove that the determinant of a product of matrices is the product of their determinants.

4. Define the adjoint and inverse of a matrix. Find the inverse of a given matrix.

5. Solve a system of linear equations using Cramer's Rule.

6. Define eigenvalues and eigenvectors. Find the eigenvalues and eigenvectors of a given matrix.

Unit 4: Inner Product Spaces**

1. Define an inner product space and provide examples.

2. Prove the Cauchy-Schwarz inequality in an inner product space.

3. Define orthogonality and orthogonal projection. Find the orthogonal projection of a vector onto a subspace.

4. Apply the Gram-Schmidt process to orthogonalize a set of vectors.

5. Define a symmetric matrix and prove that its eigenvalues are real.

6. Diagonalize a given symmetric m

atrix.


### **Unit 5: Canonical Forms**

1. Define the Jordan canonical form of a matrix.

2. Find the Jordan canonical form of a given matrix.

3. Define the minimal polynomial of a matrix and explain its significance.

4. Prove that every square matrix satisfies its characteristic equation (Cayley-Hamilton Theorem).

5. Define the rational canonical form of a matrix.


# **Practice Problems**

1. Solve systems of linear equations using matrix methods.

2. Find the eigenvalues and eigenvectors of a given matrix.

3. Diagonalize a matrix, if possible.

4. Compute the determinant, rank, and inverse of a matrix.

5. Apply the Gram-Schmidt process to a set of vectors.


సమాధానాల కోసం ఇక్కడ క్లిక్ చెయ్యండి.



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4 SEMESTER MATHS UNIT 5