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1. Evaluate: 138 - 142 +2154 2. Evaluate: (2/30° )( 4/20°). Express the answer in algebraic form. 3. Evaluate: (3+4i )5 4. Find the sum of (2 + 3i) and (-3+i). Express the answer in exponential form. 5. Find the In( 3-4i) in rectangular form.

1. Evaluate: 138 - 142 +2154 2. Evaluate: (2/30° )( 4/20°). Express the answer in algebraic form. 3. Evaluate: (3+4i )5 4. Find the sum of (2 + 3i) and (-3+i). Express the answer in exponential form. 5. Find the In( 3-4i) in rectangular form.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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COMPLEX NUMBERS: 1. Evaluate: 138-142 + 2154 2. Evaluate: (2/30° )( 4/20°). Express the answer in algebraic form. 3. Evaluate: (3 + 4i)5 4. Find the sum of ( 2 + 3i) and (-3 + i). Express the answer in exponential form. 5. Find the In( 3 - 4i) in rectangular form.
Transcribed Image Text:COMPLEX NUMBERS: 1. Evaluate: 138-142 + 2154 2. Evaluate: (2/30° )( 4/20°). Express the answer in algebraic form. 3. Evaluate: (3 + 4i)5 4. Find the sum of ( 2 + 3i) and (-3 + i). Express the answer in exponential form. 5. Find the In( 3 - 4i) in rectangular form.
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