Question: A solution basis for the differential equation y ' ' + 1 4 y ' + 4 9 y = 0 i s : (

A solution basis for the differential equation y''+14y'+49y=0is:
(a){e7x,e-7x}
(b){e-7x,1}
(c){e-7x,xe-7x}
(d){e7x,xe7x}
(e) None of the above.
A solution basis for the differential equation y

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