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Mathematics
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20i/3+i
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get the LCD .. :) then solve it.. combine the like terms .. and that's it..
divide and multiply by 3-i you will get your answer
u have to rationalize it first
so dat denominator does not contain any i related terms.
\[\frac{ 20i }{ 3+i}\times \frac{ 3-i }{3-i }=\frac{ 20i \left( 3-i \right) }{\left( 3+\iota \right) \left( 3-\iota \right)}\] solve it.
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@madrockz i thought the equation will be looked like this ..|dw:1379778140787:dw| .. that's why i said .. combine the like terms .. sorry .. :(
no..dats y the question must contain brackets to undertsand it clearly.
ah.. :) okay thanks .. ^_^
i guess the solution might be 2(3i+1)
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