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Solve this equation x2 - 8x plus 17 equals 0?
(4 ± i2) where i2 = -1
If x plus y equals -2 and xy equals 2 then what is x cubed plus y cubed?
x + y = -2 ∴ y = -2 - x xy = 2 ∴ x(-2 - x) = 2 ∴ -2x - x2 = 2 ∴ x2 + 2x + 2 = 0 ∴ x2 + 2x + 1 = -1 ∴ (x + 1)2 = -1 ∴ x + 1 = i ∴ x = i - 1 recall: y = - 2 - x ∴ y = - 2 - (i - 1) ∴ y = -2 - i + 1 ∴ y = - i - 1 ∴ x3 + y3 = (i - 1)3 + (- i - 1)3 = (i - 1)(i2 - 2i + 1) + (- i - 1)(i2 + 2i + 2) = i3 - 2i2 + i - i2 + 2i - 1 - i3 - 2i2 - 2i - i2 - 2i - 2 = i3 - i3 - 2i2 - i2 - 2i2 - i2 + i + 2i - 2i - 2i - 1 - 2 = -6i2 - i - 3 = 3 - i
H2g plus I2g 2hIg has keq equals 0.15 at a certain temperature if h2 equals 0.01 I2 equals 0.02 and hI equals 0.03 what is true about this reaction?
HI will be consumed. The reaction will proceed to the left. More I2 will form.
What is the balanced chemical equation for KI plus Cl2 equals KCl plus I2?
Cl2(g) + 2KI --> 2KCl(aq) + I2(s)
Sqare route of -1?
In math i=√(-1), in physics and engineering j=√(-1), and i2 or j2 =-1.
