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trinitieu66
08.10.2019 •
Mathematics
Find x if cd= 6, bc = 2x -6,
ab = x + 4, and ad = 19.
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Ответ:
we know the complex number has standard form a+ib
Inorder to find our answer ib^2 should.be 1
Ex:-
2-i
2:-
![\\ \sf\longmapsto 2+2i^2](/tpl/images/2474/0573/9971d.png)
i^4=1