
Imaginary number - Wikipedia
An imaginary number is the product of a real number and the imaginary unit i, [note 1] which is defined by its property i2 = −1. [1][2] The square of an imaginary number bi is −b2. For …
Why Does i^2 Equal -1? Explained - Physics Forums
Oct 20, 2014 · In general, the rule of sqrt (a)*sqrt (b) = sqrt (a*b) only works when a and b are both positive reals. That's not the case here. symbolipoint said: You will understand better …
Imaginary Numbers, How to simplify imaginary numbers, formula, …
Imaginary numbers are based on the mathematical number i i. i is defined to be −1−−−√ i is defined to be − 1. From this 1 fact, we can derive a general formula for powers of i i by looking …
Iodine - Wikipedia
Elemental iodine hence forms diatomic molecules with chemical formula I 2, where two iodine atoms share a pair of electrons in order to each achieve a stable octet for themselves; at high …
Khan Academy
Learn about powers of the imaginary unit and how to simplify them with examples and explanations.
Simplify i^2 - Mathway
Rewrite i2 i 2 as −1 - 1. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.
Powers of i - MathBitsNotebook (A2)
Break the power down to show the factors of four. i, -1, -i or 1. • if the remainder is 0, the answer is 1 (i0). • if the remainder is 1, the answer is i (i1). • if the remainder is 2, the answer is -1 (i2). …
Complex number calculator - calculation: i^2 - HackMath
As an imaginary unit, use i or j (in electrical engineering), which satisfies the basic equation i2 = −1 or j2 = −1. The calculator also converts a complex number into angle notation (phasor …
Iodine | I2 | CID 807 - PubChem
Iodine is a naturally occurring element found in sea water and in certain rocks and sediments. There are non radioactive and radioactive forms of iodine. Iodine is used as a disinfectant for …
Re: meta-analyses; what exactly does a high I2 statistic mean?
Aug 27, 2017 · In case of I 2, we usually define what means high, moderate or low. For example, if you define that I 2 > 75% is considered as substantial heterogeneity and I 2 of your meta …