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OpenStudy (anonymous):
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hartnn (hartnn):
can you find the conjugate of 6-4i ?
hartnn (hartnn):
yes! so , multiply numerator and denominator by 6+4i what do u get ?
hartnn (hartnn):
the final answer ? no.... how did u get that ?
hartnn (hartnn):
show me your work, i'll help u find the error
hartnn (hartnn):
so what did u get in the denominator ? (6-4i)(6+4i) =... ?
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hartnn (hartnn):
you foiled that, right ? what did u get ?
hartnn (hartnn):
52 for the denominator is correct :) now numerator (3-5i)(6+4i) =.. ?
hartnn (hartnn):
absolutely correct!
hartnn (hartnn):
(38 -18i) /52 = (19-9i)/26 = 19/26 - 9i/26 thats it!
hartnn (hartnn):
welcome ^_^
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