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Which of the following is an even function?

Options

  1. Ax
  2. Bx²+ ² x
  3. C³ x
  4. DNone of these

Correct answer

B. x²+ ² x

Step-by-step solution

let f(x)=x²+ ² x , then f(-x)=f(x) Therefore, f(x)=x²+ ² x is an even functions.

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