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Questions and Answers
Which of the following is equivalent to the expression 2x-4y, where x=5-2i and y=-3+4i?
Which of the following is equivalent to the expression 2x-4y, where x=5-2i and y=-3+4i?
What is the value of x+y, where x=5-2i and y=-3+4i?
What is the value of x+y, where x=5-2i and y=-3+4i?
What is the value of x*y, where x=5-2i and y=-3+4i?
What is the value of x*y, where x=5-2i and y=-3+4i?
Study Notes
Equivalence of Expressions
- The expression 2x - 4y, where x = 5 - 2i and y = -3 + 4i, has an equivalent value.
Values of x + y
- The value of x + y is (5 - 2i) + (-3 + 4i) = 2 + 2i.
Values of x * y
- The value of x * y is (5 - 2i) * (-3 + 4i) = -23 - 14i.
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Description
Test your knowledge of complex numbers with this quiz! Solve equations and find equivalent expressions using given complex numbers.
