Classification of stationary points?

I've already worked these out, just wanted to check my workings against how other people would work them out...

Find/classify the stationary points of the following functions:

a) z = y sin x

b) z = 2y^2 - xy - 3x

c) z = x^2 - xy + xy^2

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  • ted s
    Lv 7
    10 years ago
    Favourite answer

    a) points are ( nπ , 0 ).. saddle

    b) ... " ...( -12 , -3 )..same

    c) ..."....(1/8 , 0 ) , ( 0 , 1/2) , ( 1 , 1/2)...saddle , saddle , min ,

    do you agree ?

  • Anonymous
    4 years ago

    Corrections to Ticity ^_^ a million) Hudson Bay 2) the two A and C 3) A and D 14) Arizona ( i think of that's distinctive reckoning on the state, California became into no longer an decision for me) 21) carbon dioxide, methane, and water vapor something are all splendid

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