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Earn +20 ptsQ: What does 7i divided by 2 plus 2i equal?
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How do you simplify i plus 6i?
answer is 7i, since its the same thing as: i + (i + i + i + i + i + i)
What is the solution for X squared plus 49 equals 0?
It'll be a complex number, denoted by 7i, where the number i is defined to be equal to the square root of -1.
What is x2 plus 49?
x2 + 49 = x2 - (-49) = x2 - (-1)(49) = x2 - (i2)(72) = x2 - (7i)2 = (x - 7i)(x + 7i) where i is the imaginary square root of -1.
What is the complex conjugate of a plus bi?
The complex conjugate of a+bi is a-bi. This is written as z* where z is a complex number. ex. z = a+bi z* = a-bi r = 3+12i r* = 3-12i s = 5-6i s* = 5+6i t = -3+7i = 7i-3 t* = -3-7i = -(3+7i)
What is the simplest of 60 140?
60 over 140 in simplest form is 2/7My work:60 divided by 20 = 3140 divided by 20 = 7i hope this helps
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