Verify by substitution that each given function is a solution of a given differential equation.    (6mks)(6mks)          (i). y′+2y=0;      y=3e−2xy′+2y=0;       y=3e−2x

         (ii). y′′+4y=0;    y1=cos(2x),   y 2=sin(2x)y′′+4y=0;    y1=cos⁡(2x),    y2=sin⁡(2x)

          (iii). y′′−2y′+2y =0;  y1=excosx,      y2=exsinxy′′−2y′+2y =0;  y1=exco s⁡x,     y2=exsin⁡x​

30 determine the coefficient on x 12 y 24 x12y24 in ( x 3 + 2 x y 2 + y + 3 ) 18 . (x3+2xy2+y+3)18. (be careful, as x x and y y now appear in multiple terms! )

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap