Verify by substitution that each given function is a solution of the given differential equation. Throughout these problems, primes denote derivatives with respect to x. y^''+4 y=0 ; y1=cos2 x, y2=sin2 x | Numerade

in problems 11 14 verify that the indicated function is an explicit solution of the given differential equation assume an appropriate interval of definition for each solution 11 2y y 0 y e x 96557

SOLVED:Verify that the indicated function is an explicit solution of the given differential equation. Assume an appropriate interval I of definition for each solution. 2 y^' y=0 ; y=e^-x / 2