Mathematics, 17.07.2019 06:00 Kaycieb
Evaluate 1/3^-2x^-4y^2 for x=3 and y=-1 a.) -9 b.) 9 c.) -729 d.) 729
Answers: 2
![1/[ 3^{-2} x^{-4} y^{2} ]](/tpl/images/0099/0633/2477a.png)
![=1/[ (3)^{-2} (3)^{-4} (-1)^{2} ]](/tpl/images/0099/0633/1c309.png)
![=1/[ (3)^{-2-4}(1) ] \\ = 3^{6} \\ =729](/tpl/images/0099/0633/72bd7.png)
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Evaluate 1/3^-2x^-4y^2 for x=3 and y=-1 a.) -9 b.) 9 c.) -729 d.) 729...
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