the number of critical points of the function f(x)=|x-1||x-2| is

fx=x-1x-2fx=-x-1-x-2    , x1x-1-x-2          ,1x2x-1x-2                 ,x2fx=x-1x-2    , x1 and x2-x-1x-2 , 1x2fx=x2-3x+2f'x=2x-32x-3=0x=32fx=-x2+3x-2f'x=-2x+3x=32So, there are 3 critical points 1 , 32 and 2.

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pls ans fast
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3 points 1,3/2,2
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