Case IV.
Both equations symmetrical or symmetrical except for sign. Usually one equation of high degree, the other of the first degree.
Method: Let
and
and substitute in both equations.
Special Devices
I. Consider some compound quantity like
Case IV.
Both equations symmetrical or symmetrical except for sign. Usually one equation of high degree, the other of the first degree.
Method: Let
and
and substitute in both equations.
Special Devices
I. Consider some compound quantity like