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If x is real, then the minimum value of ...

If `x` is real, then the minimum value of `y=(x^(2)-x+1)/(x^(2)+x+1)` is

A

1

B

3

C

`1//3`

D

none

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1E (MAXIMA AND MINIMA)
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  6. If l^(2)+m^(2)=1 then the max value of l+m is

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  7. If x is real and (a sin x +b cos x)/(c sin x +d cos x) has neither max...

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  8. The greatest value of the function f(x) =sin 2x -x on [-pi//2,pi//2] ...

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  9. The least value of f(x) = sin 2x -x on [-pi//2,pi//2] is

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  10. The difference between the greatest and least value of the function f(...

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  11. For a gt 0, if the function f(x)=2 x^(3) - 9 a x^(2) + 12 a^(2) x + 1...

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  12. If ma and M respectively denote the minimum and maximum of f(x) =(x-1)...

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  13. Let f : R to R be defined, by {{:(k-2x,"if"" "x le -1),(2x+3,"if" " "...

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  14. p and q are distinct prime numbers and if the equation x^2 -px ...

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  15. Given P(x)=x^(4)+ax^(3)+bx^(2)+cx +d such that x=0 is the only real ro...

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  16. A curve passes through the point (2,0) and the lope of the tangent at ...

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  17. The point on the curve y=x/(1+x^2) where the tangent to the curve has ...

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  20. If y=(ax+b)/((x-1)(x-4)) has a maximum value at the point (2,-1) then

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