AP EAPCET 24-Aug-2021 Shift 1 Paper

Section: Mathematics

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Question : 69 of 160

Marks: +1, -0

If f(x)=kx3−9x2+9x+3(k>0) is increasing for all x, then _____

k≤3
k≥3
0<k<1
1<k<3

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