if a is a complex number which satisfy

then find ?

one way is to put a=x+iy

any other short way ?

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- Mar 17th 2010, 11:50 PMbanku12Complex Complex
if a is a complex number which satisfy

then find ?

one way is to put a=x+iy

any other short way ? - Mar 18th 2010, 08:10 AMSoroban
Hello, banku12!

Is there a typo?

If the last term is , I can solve it.

Quote:

If a is a complex number which satisfies: .

then find: .

Divide by

. . Hence: .

Therefore, for all roots: .

- Mar 18th 2010, 09:17 AMbanku12
No..actually there is no typo..

btw is it not possible to compute mod a if last term in the given exp is 1 ?