Question

From the following, what must be added to 4x2 - 20 X +20 to make it a whole
number?
4x -20
5
C
x2 + 20
2​

Answer 1

Answer:

z + w = (4 + 1) + (3 + -2)i =5+ i z - w = (4 - 1) ... zw = (-2+5i)(4 + 2i) = -8 - 4i + 20i + 10i2 = -8 + 16i + 10(-1) ... To divide a complex number by a real number is to multiply the reciprocal of the.

Step-by-step explanation:

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