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Math Help - Need urgent help

  1. #1
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    Need urgent help

    i have no idea what these mean:
    http://img22.imageshack.us/img22/8144/assignment2.jpg

    but does anyone know how to solve it? if so could i please have the answers and how you solved it?

    thankyou.
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by THAT MAN View Post
    i have no idea what these mean:
    http://img22.imageshack.us/img22/8144/assignment2.jpg

    but does anyone know how to solve it? if so could i please have the answers and how you solved it?

    thankyou.
    image attached

    CB
    Attached Thumbnails Attached Thumbnails Need urgent help-gash.jpg  
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  3. #3
    Grand Panjandrum
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    Quote Originally Posted by THAT MAN View Post
    i have no idea what these mean:
    http://img22.imageshack.us/img22/8144/assignment2.jpg

    but does anyone know how to solve it? if so could i please have the answers and how you solved it?

    thankyou.
    5(i) asks for the truth value of:

    \forall x: \ 3-x^2 \le 9

    Now x^2 is always greater than or equal zero and has a minimum when x=0, so 3-x^2 has a maximum when x=0 and there it takes the value 3 \le 9 so the statement is true.

    CB
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