math question....if x= 5/3 then x^-2=....?
回答 (3)
✔ 最佳答案
(5/3)^-2=(3/5)^2=9/25
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x^-2 (x = 5/3)
= (5/3)^-2
= 1/[(5/3)^2]
= 1(3/5)^2
= (3^2)/(5^2)
= 9/25
If x=5/3
Find: x^-2 = ?
simplify equation
x^-2 = 1/x^2
plug in x
1 / (5/3)^2
simplify equation
(3/5)^2
solution
9/25 = 0.36
收錄日期: 2021-05-01 12:43:43
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