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JEE Advanced · Mathematics · 25. AOD

For every pair of continuous functions f, g :0, 1R such that maxfx:x 0, 1=max{gx :x 0, 1},then the correct statement (s) is (are)

  1. A fc2+3fc=gc2+3gc for some c 0, 1
  2. B fc2+fc=gc2+3gc for some c 0, 1
  3. C fc2+3fc=gc2+gc for some c 0, 1
  4. D fc2=gc2 for some c 0, 1
Verified Solution

Answer & Solution

Correct Answer

(D) fc2=gc2 for some c 0, 1

Step-by-step Solution

Detailed explanation

Let fx and gx achieve their maximum value at x1 and x2 respectively
hx=fx-gx
hx1=fx1-gx1 0
h x2=fx2-gx2 0
hc=0 where c 0, 1fc=gc.
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