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o_O what are ordered numbers?

Yeah, I know... which is why I used the conjugate method first. But I don't know any division method using cartesian equations. I tried to turn it into mod-arg form so that division could be easier...but then it was really messy (and frankly didn't work) so...

because I'm supposed to simplify it two ways...and I've already completed one way by multiplying the conjugate... so I have to find another way.

This questions seems really easy... but for some reason I just can't figure it out!! Simplify (4a+16ib) / (12b-3ia) where a, b E lR However, I'm not allowed to multiply top and bottom by the conjugate of the denominator. Please help! Thanks!!!

Our teachers offered to mark all our practice essays for us, provided we made an effort ^_^ Oh man, is it just me or is it sooo nerve-wracking as we come closer and closer to the HSC? I feel so unprepared, and I've been trying to force myself to study, but get so easily distracted...