Let f(x)={x3/5x≤1−(x−2)3x>1 then the number of critical points on the graph of the function is
A
1
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B
2
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C
3
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D
4
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Solution
The correct option is C3 f(x)={x3/5x≤1−(x−2)3x>1 Critical points will at At x=2, asf′(x)=0 At x=0, f′(x) is not defined At x=1, f′(x) does not exist , therefore its a critical point. Thus, there are three critical points. Hence, option 'C' is correct.