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The real number x when added to its inve...

The real number x when added to its inverse gives the minimum value of the sum at x=

A

2

B

1

C

`-1`

D

`-2`

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AAKASH SERIES-MAXIMA & MINIMA-EXERCISE-II
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  3. The real number x when added to its inverse gives the minimum value of...

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  4. The difference of two positive numbers is 10 . If the square of the gr...

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  5. The positive real number which most exceeds its cube is

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  6. The points on y=x^2+7x+2 which is closest to the line y=3x-3 is

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

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  8. The maximum value of the area of the triangle with vertices (a,0) ,(a ...

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  9. The height of the cylinder of maximum volume which can be inscribed i...

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  10. The maximum value of f(x) =2x^3-21x^2+36x+20 , in the interval 0 le x ...

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  11. The largest value of f(x)=2x^(3)-3x^(2)-12x+5 for -2lexle4 occurs at x...

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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. The difference between the greatest and the least values of the functi...

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  14. The maximum area of a rectangle of perim-eter 176 cm is

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  15. The perimeter of a sector is given. The area is maximum when the angle...

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  16. The dimensions of a rectangle of maximum area with perimeter 2P are

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  17. Two sides of a triangle is given . If the area of a triangle is maximu...

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  18. The maximum area of a rectangle inscribed in a circle of radius = 5 cm...

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  19. If three sides of trapenzium are each equal to 2 cms, then the maximum...

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  20. A tangent drawn to the ellipse x^2/(25)+y^2/(16)=1 so that the part in...

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