Complex numbers 1. Which among the options in column A is equivalent to 2(a + bi)? 2. Which is equivalent to ln(a + bi)? 3. sin (a + bi) = ? 4. 2i = ? 5. xi = ? 6. ii = ? 7. 0i = ? 8. What is the value of w if: w/x=2<180∘ w + y = -5 + 15i y is a conjugate of x 9. (40e^i120∘)+20<(−40∘)+26.46+0i= ? 10. What is the 5th root of 50[cos(150o)+ isin(150o) ?
Complex numbers 1. Which among the options in column A is equivalent to 2(a + bi)? 2. Which is equivalent to ln(a + bi)? 3. sin (a + bi) = ? 4. 2i = ? 5. xi = ? 6. ii = ? 7. 0i = ? 8. What is the value of w if: w/x=2<180∘ w + y = -5 + 15i y is a conjugate of x 9. (40e^i120∘)+20<(−40∘)+26.46+0i= ? 10. What is the 5th root of 50[cos(150o)+ isin(150o) ?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
1. Which among the options in column A is equivalent to 2(a + bi)?
2. Which is equivalent to ln(a + bi)?
3. sin (a + bi) = ?
4. 2i = ?
5. xi = ?
6. ii = ?
7. 0i = ?
8. What is the value of w if:
w/x=2<180∘
w + y = -5 + 15i
y is a conjugate of x
9. (40e^i120∘)+20<(−40∘)+26.46+0i= ?
10. What is the 5th root of 50[cos(150o)+ isin(150o) ?
Transcribed Image Text:A. 1.3 + 1.4i
B. 30.8<45°
C. 1+ 0.01i
D. 2° cos(0.69b) +1 2° sin(0.69b)
E. cos(Inx) + isin(Inx)
F. exe
G. 1.9 + 1.1i
H. 10i – 10
I. In(r) + ie
J. Sin(a) cosh(b) + icos(a) sinh(b)
K. 0.2 + Oi
L. Undefined
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