How do I solve the differential equation -LSB- math -RSB- \ frac -LCB- dy -RCB- -LCB- dx -RCB- = \ frac -LCB- y-3 -RCB- -LCB- y ^ 2 + x ^ 2 -RCB- -LSB- / math -RSB- ?
How do I solve this differential equation -LSB- math -RSB- \ displaystyle \ frac -LCB- dy -RCB- -LCB- dx -RCB- - \ frac -LCB- y -RCB- -LCB- 2x -RCB- = x \ cos \ frac -LCB- x -RCB- -LCB- y -RCB- -LSB- / math -RSB- ?