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hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0r^2 + 4 =0 r = \(\pm\)2i no repeated root...so form will be a sin x+ b cos x

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0and not Acosx+Bsinx+Cxcosx+Dxsinx

lilMissMindset
 2 years ago
Best ResponseYou've already chosen the best response.1yes, i got the answer now. :D yay!

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0i still wonder , how u got x in the answer..

lilMissMindset
 2 years ago
Best ResponseYou've already chosen the best response.1instead of using sin^2 x, i used 1/2  1/2*cos2x

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.0ok, so form will be asin x + bcos x +cx ?
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