PBTE | DAE | MATH-123 APPLIED MATHEMATICS-I | MCQs | Chapter : 08 Complex Numbers

DAE MATH-123

Contents

1. Applied Mathematics-I
   1. Chapter 8 : Complex Numbers
   2. Multiple Choice Questions
   3. Chapter:08 (Complex Numbers)
   4. Question 1:
   5. Question 2:
   6. Question 3:
   7. Question 4:
   8. Question 5:
   9. Question 6:
   10. Question 7:
   11. Question 8:
   12. Question 9:
   13. Question 10:
2. Quiz Results

Applied Mathematics-I

Chapter 8 : Complex Numbers

DAE Common Technologies | First Year

Multiple Choice Questions

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• MATH-113
• Chapter 8 (Complex Numbers)

Chapter:08 (Complex Numbers)

Question 1:

The additive inverse of $a + ib$ is:

$-a + ib$ $a – ib$ $–a – ib$ $a + ib$

Question 2:

Sum of $-3 + 5i$ and $4 - 7i$ is:

$1 – 2i$ $-1 – 2i$ $1-12i$ $-7 +12i$

Question 3:

Conjugate of $(2 + 3i)$ + $[1 – i]$ is:

$3 - 2i$ $3 + 4i$ $3 – 4i$ $3 + 2i$

Question 4:

Modulus of $3 + 4i$ is:

47 16 5 3

Question 5:

Product of $2 + 3i$ and $2 – 3i$ is:

$\sqrt{13}$ $13$ $\sqrt{2}$ $\sqrt{-5}$

Question 6:

Ordered pair form of $-3 - 2i$ is:

${(3, 2)}$ ${(-3, -2)}$ ${(-3, 2)}$ ${(3, -2)}$

Question 7:

If $z = a + ib$ then $Z+{\bar{Z}}$ is equal to:

${2a}$ ${2b}$ ${0}$ ${2a + 2ib}$

Question 8:

$(1 + 2i)$ $(3 – 5i)$ is equal to:

${13 + i}$ ${-2 - i}$ ${-4 + 3i}$ ${3i}$

Question 9:

$i[2 – i]$ is equal to:

${1 + 2i}$ ${2i + {i^2}}$ ${3}$ ${3i}$

Question 10:

If $z= a + ib$ then, ${\bar{Z}}$ is equal to:

$a + ib$ $a – ib$ $a + b$ $a – b$

Quiz Results

Total Questions:

Correct Answers:

Incorrect Answers:

Percentage:

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INSTRUCTOR

MUHAMMAD BIN JAMEEL

BSC ENGG. CIVIL