求英语帝兼数学帝Determine,with reasons,whether the function (x-3)^2=-5 is positive definite,negative definite or indefinite.positive definite,negative definite or indefinite.这题该怎么解?

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求英语帝兼数学帝Determine,with reasons,whether the function (x-3)^2=-5 is positive definite,negative definite or indefinite.positive definite,negative definite or indefinite.这题该怎么解?

求英语帝兼数学帝Determine,with reasons,whether the function (x-3)^2=-5 is positive definite,negative definite or indefinite.positive definite,negative definite or indefinite.这题该怎么解?
求英语帝兼数学帝
Determine,with reasons,whether the function (x-3)^2=-5 is positive definite,negative definite or indefinite.
positive definite,negative definite or indefinite.这题该怎么解?

求英语帝兼数学帝Determine,with reasons,whether the function (x-3)^2=-5 is positive definite,negative definite or indefinite.positive definite,negative definite or indefinite.这题该怎么解?
positive definite正定 negative definite 负定 indefinite 不定
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x 是个负的确定的值还是正的确定的值,或者是个不确定的值,

决定,并说明理由,无论是功能(x-3)^ 2 = 5是正定,消极的明确或者一定的不确定性。
  
  
  正定,消极的明确或者一定的不确定性