3d^2y/dx^2+dy/dx-14y=0 ; y=(0) ,y'=(0)=-1
3y′′+y′−14y=0,3y''+y'-14y=0,3y′′+y′−14y=0,
y=c1e−7x3+c2e2x,y=c_1e^{-\frac{7x}3}+c_2e^{2x},y=c1e−37x+c2e2x,
y(0)=0:c1=−c2,y(0)=0: c_1=-c_2,y(0)=0:c1=−c2,
y′(0)=−1:c2=76c1−12,y'(0)=-1: c_2=\frac 76 c_1-\frac 12,y′(0)=−1:c2=67c1−21,
c1=313, c2=−313,c_1=\frac3{13},~c_2=-\frac 3{13},c1=133, c2=−133,
y=313e−7x3−313e2x.y=\frac 3{13}e^{-\frac{7x}3}-\frac 3{13}e^{2x}.y=133e−37x−133e2x.
Need a fast expert's response?
and get a quick answer at the best price
for any assignment or question with DETAILED EXPLANATIONS!
Comments
Leave a comment