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When solving an equation it is important to find the value of one letter. Let's solve the equation 3 x + 4 = 10 To remove the + 4 we complete the inverse (opposite) operation by subtracting the 4.
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Three letters, one number, a knife and a stone bridge: How a graffitied equation changed mathematical history - MSNThe trick was to use what are called "complex numbers," which have a "real" part and an "imaginary" part. The imaginary part is a multiple of the number i , "the square root of minus one," which ...
Imaginary numbers, also called complex numbers, are used in real-life applications, such as electricity, as well as quadratic equations.In quadratic planes, imaginary numbers show up in equations ...
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ScienceAlert on MSNPhysicists Catch Light in 'Imaginary Time' in Scientific FirstFor the first time, researchers have seen how light behaves during a mysterious phenomenon called 'imaginary time'.
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