Latest MBA Aptitude Question SOLUTION: Which of the following statements about the functionsA(x, y, z) = x² + 3y² - 4xy - 2yz + 2zx and B(x,y,z) = |x-|x-y|| + |y-|y-z|| + |z-|z-x|| is necessarily true?

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(#M40016961) MBA question algebra, quadratic equations, inequalities, functions Keep an EYE

Which of the following statements about the functionsA(x, y, z) = x² + 3y² - 4xy - 2yz + 2zx and B(x,y,z) = |x-|x-y|| + |y-|y-z|| + |z-|z-x|| is necessarily true?

1) B(x,y,z) <= |x-y| + |y-z| + |z-x|
2) (B(x,y,z))² &gt; A(x,y,z) for x &gt; y &gt; z &gt; 0
3) A(x,y,z) > -6
4) None of the above

Asked In MBA (11 years ago)

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