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The function y=alogx+bx^2+x has extreme ...

The function `y=alogx+bx^2+x` has extreme values at x=1,2.Find a and b

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RD SHARMA ENGLISH-MAXIMA AND MINIMA-All Questions
  1. Find the points of local maxima or local minima and corresponding loca...

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  2. Find the points of local maxima or local minima and corresponding loca...

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  3. The function y=alogx+bx^2+x has extreme values at x=1,2.Find a and b

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  4. Find the absolute maximum and the absolute minimum values of the follo...

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  5. A rectangle is inscribed in a semi-circle of radius r with one of its ...

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  6. A large window has the shape of a rectangle surmounted by an equilater...

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  7. Find the largest possible area of a right angled triangle whose hyp...

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  8. A closed cylinder has volume 2156c m^3. What will be the radius of its...

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  9. Find the points of local maxima or local minima, if any, of the fol...

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  10. Show that among all positive numbers x and y with x^2+y^2=r^2, the sum...

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  11. Find the points of local maxima or local minima, if any, of the fol...

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  12. Prove that the semi-vertical angle of the right circular cone of given...

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  13. Show that the cone of the greatest volume which can be inscribed in a ...

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  14. Find the points of local maxima or local minima, if any, using firs...

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  15. Find the points of local maxima or local minima, if any, of the foll...

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  16. Determine the points on the curve x^2=4y which are nearest to the poin...

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  17. The total area of a page is 150c m^2dot The combined width of the marg...

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  18. A straight line is drawn through a given point P(1,4)dot Determine the...

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  19. The strength of a beam varies as the product of its breadth and square...

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  20. The given quantity of metal is to be cost into a half cylinder with a ...

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