The positive values of x satisfy the equation 8^ 1+| x|+ ^ 2 x+ | ^ 3 x |+ = 4 3 will be…

Mathematics · JEE Advanced · NTA ExamsTrigonometry

The positive values of x satisfy the equation \(8^{1+|\cos x|+\cos ^{2} x+\left|\cos ^{3} x\right|+\ldots \ldots \infty}\)= 43 will be (where |cos x| < 1)
  1. \(\frac{\pi}{3}\)
  2. \(\frac{2 \pi}{3}\)
  3. \(\frac{\pi}{4}\)
  4. None of these

Answer

(A) 3, (B) 2 3

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