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  1. Home
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Miscellaneous·2018·Easy

Consider the following values of x: 1. 8 2. –4 3. 1/6 4. –1/4 Which of the above values of x is/are the solution(s) of the equation tan^–1(2x) + tan^–1(3x) = π/4 ?

Consider the following values of x:

1.  8

2.  –4

3. 1/6

4. –1/4

Which of the above values of x is/are the solution(s) of the equation
tan^–1(2x) + tan^–1(3x) = π/4 ?

Options

  1. a.

    3 only

  2. b.

    2 and 3 only

    Correct answer
  3. c.

    1 and 4 only

  4. d.

    1 only

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