engineering mathematics MCQ #5259

The period of y = sin(2x) + cos(3x) is?

engineering mathematics MCQ #5259

  1. Question 1

    Q1. The period of y = sin(2x) + cos(3x) is?

    • A) 2π
    • B) π
    • C) 2π/lcm(2, 3)
    • D) lcm(2π/2, 2π/3)

    Answer: lcm(2π/2, 2π/3)

    Explanation: The period is the lcm of the periods of sin(2x) and cos(3x), which is lcm(π, 2π/3) = 2π.