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Solve the equation [tex]x^4 - x^2 = k[/tex] where [itex]k>0[/itex].
Am I being thick or how do I solve this for [itex]x[/itex]?
Factorising gives [tex]x^2(x^2-1)=k[/tex] but now where?
Am I being thick or how do I solve this for [itex]x[/itex]?
Factorising gives [tex]x^2(x^2-1)=k[/tex] but now where?