$\"\"$

The function is $\"\"$ and initial condition is $\"\"$ .

Rewrite the function.

$\"\"$

Integrate with respect to $\"\"$ .

$\"\"$

Integral formula : $\"\"$ .

$\"\"$

Apply exponential on each side.

$\"\"$

The equation satisfies the initial condition is $\"\"$ .

Substitute $\"\"$ in the integral function.

$\"\"$

Substitute $\"\"$ in the integral function.

$\"\"$

Therefore the particular solution is $\"\"$ .