engineering mathematics MCQ #719

If f(x) = e^x sin(x), then f'(x) is

engineering mathematics MCQ #719

  1. Question 1

    Q1. If f(x) = e^x sin(x), then f'(x) is

    • A) e^x (sin(x) + cos(x))
    • B) e^x (sin(x) - cos(x))
    • C) e^x cos(x)
    • D) e^x sin(x)

    Answer: e^x (sin(x) + cos(x))

    Explanation: Using product rule, f'(x) = e^x sin(x) + e^x cos(x) = e^x (sin(x) + cos(x))