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AP EAMCET2008MathematicsTrigonometric Equations

x R: 2 x+2 ^2 x=2 is equal to

Options

  1. A2 n + 3 : n Z
  2. Bn 6 : n Z
  3. Cn + 3 : n Z
  4. D2 n - 3 : n Z

Correct answer

B. n 6 : n Z

Step-by-step solution

Given equation is array rlrl & & 2 x+2 ^2 x & =2 & 2 ^2 x-1+2 ^2 x & =2 & 4 ^2 x & =3 & ^2 x & = 3 4 & & x= 3 2 & & x=n 6 : n Z array

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