If z is inversely proportional to squre root of w and z=9 when w=9 , calculate the value of w when z=3
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let z= k/√w
9=k/√9
k= 9*3
= 27
when z=3,
3= 27/√w
√w=27/3
√w=9
w= 9^2
w= 81
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