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Grade: 12th pass
        
D^2x/Dt^2+4x=x^2sinx.find Complementary function and particular integral
5 months ago

Answers : (2)

Rakesh
13 Points
							
Solution: The characteristic equation is m2 + 4 = 0, m = \pm 2i, then the complemenary solution is
yc = Acos 2t + Bsin 2t.
one month ago
Vikas TU
9484 Points
							
Dear student 
We take the denominator as characteristics equation. so the characteristics equation here will be m^2 + 4 = 0
Soution would be \pm 2i , 
So , the complemenary solution is
yc = Acos 2t + Bsin 2t.
Hope you will get this 
Good Luck 
 
one month ago
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