COT 305 Mathematics 3 Exam 2025
About this paper
COT 305: COT305 End-of-Semester Exam Jan 2025 (2hrs, Mbapte/Nana/Suh, Department Computer Engineering) – Exercise 1: salary difference equation (1.05u_n+1000) and value in 2035. Exercise 2: Riccati y'-2xy+y²=5-x² (y_p=x-2 verified, Bernoulli reduction, variation of parameters, general solution verified), radioactive decay Q'=-kQ, triangular system dx₁/dt=-2x₁+x₂ (solved by substitution). Exercise 3: partial fractions for F(s), Laplace IVP 2y''+3y'+y=8e^{-2t} (y(0)=-4,y'(0)=2), Fourier x² on [-π,π] with coefficients.
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University of Buea
College of Technology - COT
Mathematics 3
Exam · First Semester · Level 300
From this paper
- 1.
Form and solve the difference equation associated to this situation after 2022. (3+3 marks).
- 2.
What will the salary of this employee be in 2035?. (4 marks).
At a glance
- Course code
- COT305 (COT 305)
- Type
- Exam
- Year
- 2025
- Level
- Level 300
- Semester
- First Semester
- Proposed solution
- Included
Where it's from
University
University of BueaFaculty
College of Technology - COT
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