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Most Important Selected Qs for JEE AdvancedMathematicsTrigonometry

If f(x)= 3 1+ ^2 x + 9 1+ ^2 x , then :

Options

  1. Anumber of integers in the range of f(x) is 7 .
  2. Bnumber of integers in the range of f(x) is 5 .
  3. Csum of the integers in the range of f(x) is 30 .
  4. Dsum of the integers in the range of f(x) is 42 .

Correct answer

C. sum of the integers in the range of f(x) is 30 .

Step-by-step solution

f(x)=3 ^2 x+9 ^2 x, x n 2 , n I=3+6 ^2 x Range of f(x)=(3,9)

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