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Grade: 12th pass
        
Solve nth derivative of x^2 e^3x cos4x by leibnitz theorem?
4 months ago

Answers : (1)

Aditya Gupta
1819 Points
							
one way to do it is to write cos4x as (e^i4x + e^–i4x)/2.
then, the fn x^2 e^3x cos4x would turn into a form like:
1/2*(x^2 e^ax + x^2 e^bx) where a and b are constants obviously.
now, applying leibnitz theorem on fn of the form x^2*e^cx is very straight forward and easy.
kindly approve :)
3 months ago
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