The value of 4x - y = 14 + 29i, -x + 3y = 2 - 32i, x.y = 53 - 26i and 2x(y) = 106 - 52i.
What is a complex number?
It is defined as the number which can be written as x+iy where x is the real number or real part of the complex number and y is the imaginary part of the complex number and i is the iota which is nothing but a square root of -1.
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We have:
Given that x = 4 + 5i and y = 2 - 9i
4x - y = 4(4 + 5i) - (2 - 9i)
4x - y = 16 + 20i - 2 +9i
4x - y = 14 + 29i
-x + 3y = 2 - 32i
x.y = 53 - 26i
2x(y) = 106 - 52i
Thus, the value of 4x - y = 14 + 29i, -x + 3y = 2 - 32i, x.y = 53 - 26i and 2x(y) = 106 - 52i.
Learn more about the complex number here:
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