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TS EAMCET · Maths · Application of Derivatives

The height (in cm) of a cylinder of the greatest volume that can be inscribed in a sphere of radius 3 cm, is

  1. A 33
  2. B 23
  3. C 3
  4. D 2
Verified Solution

Answer & Solution

Correct Answer

(B) 23

Step-by-step Solution

Detailed explanation

∴R2=r2+h22 r2=R2-h22 Given, radius of sphere R=3 cm Volume of cylinder =πr2h =πR2-h22h dvdh=πR2-h24+-2h24 dvdh=0 ∴πR2-h24-2h24=0 R2-3h24=0 R2=3h24 h=2R3=2×33=23 cm In neighbourhood of h=23 cm, dvdh is changing sign from…
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