If \[f(x)={{x}^{3}}-10{{x}^{2}}+200x-10\], then [Kurukshetra CEE 1998]

\[f(x)\]is decreasing throughout real line

\[f(x)\]is decreasing in \[]-\infty ,10]\] and increasing in \[[10,\,\infty [\]

\[f(x)\]is increasing in \[]-\infty ,10]\] and decreasing in \[[10,\,\infty [\]

\[f(x)\]is increasing throughout real line

If \[f(x)={{x}^{3}}-10{{x}^{2}}+200x-10\], then [Kurukshetra CEE 199

1.	If \[f(x)={{x}^{3}}-10{{x}^{2}}+200x-10\], then [Kurukshetra CEE 1998]
A.	\[f(x)\]is decreasing in \[]-\infty ,10]\] and increasing in \[[10,\,\infty [\]
B.	\[f(x)\]is increasing in \[]-\infty ,10]\] and decreasing in \[[10,\,\infty [\]
C.	\[f(x)\]is increasing throughout real line
D.	\[f(x)\]is decreasing throughout real line
Answer» D. \[f(x)\]is decreasing throughout real line

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If \[f(x)={{x}^{3}}-10{{x}^{2}}+200x-10\], then [Kurukshetra CEE 1998]

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