If a:b=3:5, find the value of
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Originally Posted by requal If a:b=3:5, find the value of note that we have , that is, replace with this expression in and simplify
i dont think that works as (3/5b)^2 is larger than b^2 thus creating a negative number under a square root?
Originally Posted by requal i dont think that works as (3/5b)^2 is larger than b^2 thus creating a negative number under a square root? 1 - 9/25 is positive. so you have 1b^2 - (9/25)b^2 = (16/25)b^2. how is this negative?
yep, sorry I had mental diaharea thanks anyway
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