SOLUTION: Please help me with this.
Given, z₁=6(cos150°+isin150°), z₂=4(cos60°+isin60°)
The value of z₁*z₂ would be either
A.) 6(cos210 + i sin210)
B.) 4(cos210 -
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Question 1072772: Please help me with this.
Given, z₁=6(cos150°+isin150°), z₂=4(cos60°+isin60°)
The value of z₁*z₂ would be either
A.) 6(cos210 + i sin210)
B.) 4(cos210 - i sin210)
C.) 24(cos210 + i sin210)
D.) 24(cos210 - i sin210)
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52824) (Show Source): You can put this solution on YOUR website!
.
The product of the modulus and the sum of arguments.
Option C).
On complex numbers, see the lessons
- Complex numbers and arithmetic operations on them
- Complex plane
- Addition and subtraction of complex numbers in complex plane
- Multiplication and division of complex numbers in complex plane
- Raising a complex number to an integer power
- How to take a root of a complex number
- Solved problems on taking roots of complex numbers
- Solved problems on arithmetic operations on complex numbers
in this site.
Also, you have this free of charge online textbook in ALGEBRA-II in this site
- ALGEBRA-II - YOUR ONLINE TEXTBOOK.
The referred lessons are the part of this online textbook under the topic "Complex numbers".
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
OK, now you know.
Whenever you have to do a problem like this, the answer is C.
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