Gresham College Lectures
Gresham College has been providing free public lectures since 1597, making us London's oldest higher education institution. This podcast offers our recorded lectures that are free to access from the Gresham College website, or our YouTube channel.
Gresham College Lectures
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Gresham College
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What is meant by the square root of minus 1? why is it 'imaginary'? what are complex numbers, and why are they useful? how can we represent them geometrically? and can we find numbers that are 'even more imaginary'?