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If x^2+y^2=25 then log5[max(3x+4y)] is...

If `x^2+y^2=25` then `log_5[max(3x+4y)]` is

A

2

B

3

C

4

D

5

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AAKASH SERIES-MAXIMA & MINIMA-EXERCISE-II
  1. The volume of the largest cone that can be inscribed in a sphere of ra...

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  2. Height of the cylinder of maximum volume that can be inscribed in a sp...

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  3. A box of maximum volume with open top is to be made out of a square ti...

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  4. The semivertical angle of the cone of maximum volume and of given slan...

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  5. A normal is drawn to the ellipse x^2/(25)+y^2/(16)=1. The max distance...

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  6. A wire of length 20cm is cut into two parts which are bent in the form...

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  7. A point on the hypotenuse of a right angle triangle is at a distance o...

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  8. The most economic dimensions of a swimming pool of volume 32 cu metres...

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  9. The total cost of producing x transistor radio sets per day is (1/4x^2...

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  10. A closed clylinder of given volume will have least surface when height...

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  11. The minimum distance from the origin to a point on the curve x^(2//3) ...

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  12. The minimum radius vector of the curve a^2/x^2+b^2/y^2=1 is

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  13. The sum of the hypotenuse and a side of a triangle are given. If the a...

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  14. A curve passes through the point (2,0) and the slope of the tangent li...

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  15. The longest distance of the point (a,0) from the curve 2x^2+y^2=2x is

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  16. If h is the height of the maximum cone inscribed in a sphere of radius...

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  17. The function f(x) =x^3+ax^2+bx+c,a^2lt=3b has

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  18. Asseration (A) : f(x)=x^3 has no extremum at x=0 Reason (R ) : f^1(a...

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  19. Observe the following statements : Asseration (A) : f(x)=2x^3-9x^2+1...

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  20. If x^2+y^2=25 then log5[max(3x+4y)] is

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