Rizal Technological UniversityElectronics Engineering Board Exam Review

Review in Mathematics

Name: _____________________

Module: Advance Math

PROBLEMS SOLUTION ANSWER

1. Find the product MN of the following

matrices: ,

2. Solve for x in

.

3. Evaluate (3-j4)5

4. Evalaute 4j31-j16+6j-2

5. What is ln(-1)?

6. Evaluate ln(3+j4)

7. What is the value of jj

8. Evaluate cosh(jπ)

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9. One term in the Fourier Series of a function f(t) is 20 cos 20 t. What is it in exponent form?

10. Find the unit vector in the direction of vector C <2,5,-3>

11. Find x so that vectors P<3x,2,4> and Q<4,-2,1> are perpendicular.

12. Find y so that vectors A<3,-3y> and B<-2,4> are parallel.

13. Evaluate sinh (5 +j5)

14. Evaluate the determinant:

15. What is the quotient of dividing (4 + 8i) to i3?

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