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If x=a+bi is a complex number such that...

If `x=a+bi` is a complex number such that `x^2=3+4i and x^3=2+11i`, where `i=sqrt-1`, then `(a+b)` equal to

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`x = (x^(3))/(x^(2)) = (2+11i)/(3+4i) xx (3-4i)/(3-4i) = (50+ 25i)/(2+i)`
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