1) [tex]f'(x_1)=tg135^o=-1[/tex]
[tex]f'(x_1)=-1[/tex]
2) [tex]f'(x_2)=tg180^o=0[/tex]
[tex]f'(x_2)=0[/tex]
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Answers & Comments
1) [tex]f'(x_1)=tg135^o=-1[/tex]
[tex]f'(x_1)=-1[/tex]
2) [tex]f'(x_2)=tg180^o=0[/tex]
[tex]f'(x_2)=0[/tex]