Question 1012119
Solve for y: y^-1/2 = 1/3
note that y^-1/2 = 1 / y^1/2, therefore
1 / y^1/2 = 1 / 3
cross multiply fractions
y^1/2 = 3
square both sides of =
y = 9
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answer is 3. (y = 9)