Use Power Series to Solve the Differential Equation $$\left( x ^ { 2 } + 1 \right) y ^ { t t } + x y ^ { t } - y = 0$$

Short Answer

Use power series to solve the differential equation..
$$\left( x ^ { 2 } + 1 \right) y ^ { t t } + x y ^ { t } - y = 0$$