1. If $$u : v = v : w$$, then what is the value of $$u^4 : v^4$$ ?
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By: anil on 05 May 2019 02.05 am
Given = $$u:v=v:w$$ => $$v^2=uw$$ --------------(i) To find = $$u^4 : v^4$$ Substituting value from equation (i), we get : = $$u^4 : (uw)^2$$ = $$u^2:w^2$$ => Ans - (B)
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