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AP EAMCET2009MathematicsTrigonometric Ratios & Identities

A 2 A 4 A 2^ n-1 A equals

Options

  1. A2^n A 2^n A
  2. B2^n 2^n A A
  3. C2^n A 2^n A
  4. DA 2^n 2^n A

Correct answer

A. 2^n A 2^n A

Step-by-step solution

It is a standard result. gathered A 2 A 2^2 A 2^ n-1 A = 2^n A 2^n A gathered

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