heavyelephant385
heavyelephant385
01-03-2014
Math
Answered
Multiply (-9 - 9i)(3 + 10i)
Thanks a lot!
Answer :
ayushrawat9891
ayushrawat9891
01-03-2014
= (-9-9i) (3+10i)
=-9-9ix3+10i
=0ix13i
= i
Answer Link
lipi
lipi
02-03-2014
(-9-9i)(3+10i)
-27-90i-27i+90 (i*i=-1)
so
63-117i
Answer Link
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