- #1
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if a is a complex number which satisfy [tex]ia^3+a^2-a+1=0[/tex]
then find [tex]\left | a \right |[/tex] ?
one way is to put a=x+iy
any other short way ?
then find [tex]\left | a \right |[/tex] ?
one way is to put a=x+iy
any other short way ?