A complex number z satisfies the equation z^2=3 +4i which of the following is true about z?
Complete question
"(3+4i)^2 = (3+4i)(3+4i) =\\\\\n9 + 12i + 12i + 16i\u00b2 = \\\\\n9 + 24i+16(-1) =\\\\\n9 -16 +24i=\\\\\n-7i+24i"
"\\therefore" The correct option is the last option"."
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