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Express each of the following in the for...

Express each of the following in the form `a+i b :{(1/3+7/3i)+(4+1/3i)}-(-4/3+i)`

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The correct Answer is:
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`[((1)/(3)+i(7)/(3))+( 4+i(1)/(3))-(-(4)/(3)+i)]`
`" "=(1)/(3)+i(7)/(3) +4+i*(1)/(3)+(4)/(3)-i`
`" "=((1)/(3)+4+(4) /(3))+i((7)/(3)+(1)/(3)-1)`
`" "=((1+12+4)/(3))+i((7+1-3)/(3))`
`" "=(17)/( 3)+i(5)/(3)`
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