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[" ii) Let "Z=x^(2)-7x-9yi" such that "b...

[" ii) Let "Z=x^(2)-7x-9yi" such that "bar(Z)=y^(2)i+20i-12" then number of ordered pairs "(x,y)" is "],[[" a) "1," b) "2," c) "3," d) "4]]

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