• Book	Advanced Engineering Mathematics
  Author	Erwin Kreyszig
  Edition	8th Edition

var('y,b,c')
y=-cos(2*x)
b=diff(y,x,2)+3*diff(y,x)-4*y
c=8*cos(2*x)+6*sin(2*x)
bool(b == c)

• Solution by:

  • <YASHWANTH>, <STUDENT>, <SNIST>

  • <SREE LAKSHMI>, <STUDENT>, <SNIST>