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HomeXAT PYQsXAT 2015 Question PaperIt is a curious historical fact that modern quantum mec…
XAT 2015Verbal Ability & RCPara SummaryMEDIUM+1 / −0.25

It is a curious historical fact that modern quantum mechanics began with two quite different mathematical formulations: the different equation of Schroedinger , and the matrix algebra of Heisenberg. The two, apparently dissimilar, approaches were proved to be mathematically equivalent.
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