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In mathematics, the QM-AM-GM-HM inequalities, also known as the mean inequality chain, state the relationship between the harmonic mean, geometric mean, arithmetic mean, and quadratic mean (also known as root mean square). Suppose that ,, …, are positive real numbers. Then
Proof without words of the AM–GM inequality: PR is the diameter of a circle centered on O; its radius AO is the arithmetic mean of a and b. Using the geometric mean theorem, triangle PGR's altitude GQ is the geometric mean. For any ratio a:b, AO ≥ GQ. Visual proof that (x + y) 2 ≥ 4xy. Taking square roots and dividing by two gives the AM ...
Consolidation of the automobile industry is an ongoing occurrence. Behind each automobile brand lies larger parent corporations.Auto mobile corporations, external corporations and private shareholders commonly own varying amounts of multiple auto mobile corporations, thus resulting analysis of relationships between auto mobile corporations becomes increasingly complicated.
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General Motors has a pickup problem. For the first time since 2007, the company is revamping its full-size-truck architecture. GM executives hope that an improved pickup lineup will eventually ...
Daniel Acker/Bloomberg via Getty Images By Bernie Woodall DETROIT -- The U.S. auto industry is on track for a record year of annual sales, General Motors said Tuesday, as the top U.S. automaker ...
John M. McNamara (born 1940) [1] [2] is an American former businessman who was convicted of a Ponzi scheme fraud through gaining loans to a value of $6 billion from General Motors financing arm GMAC, to develop a $400M car sales and property development business.
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