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y^(')=(x+1)e^(-x^(2)-2x) y(x)=int (x+1)e^(-x^(2)-2x)dx . Introduce u=x^(2)+2x then du=2(x+1)dx and y(x)= (1)/(2)int e^(-u)du=-(1)/(2)e^(-u)+C=-(1)/(2)e^(-x^(2)-2x)+C . Hence, y(0)=-(1)/(2)+C=1 and C=(3)/(2) . what are the steps y=(x+1)ex22x
y^(')=(x+1)e^(-x^(2)-2x)
\
y(x)=\\\\int (x+1)e^(-x^(2)-2x)dx
. Introduce
u=x^(2)+2x
then
du=2(x+1)dx
and
y(x)=
\
(1)/(2)\\\\int e^(-u)du=-(1)/(2)e^(-u)+C=-(1)/(2)e^(-x^(2)-2x)+C
.\ Hence,
y(0)=-(1)/(2)+C=1
and
C=(3)/(2)
. what are the steps
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