<PRE><B>Question 860971</B>
can you help me please to simplify these two different expressions. 
c&amp;#8315;&amp;#8308;/d&amp;#8315;ł = d^3/c^4
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r&amp;#8315;˛/s&amp;#8315;&amp;#8308;= s^4/r^2
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Cheers,
Stan H.
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