fordyls
fordyls
25-02-2018
Mathematics
contestada
Find the positive solution of x when:
25 = 4/x²
Respuesta :
xEddyC
xEddyC
25-02-2018
1) Multiply both sides by x²
[tex]25 {x}^{2} \: = \: 4[/tex]
2) Divide both sides by 25
[tex] {x}^{2} \: = \: \frac{4}{25} [/tex]
3) Square root both sides
[tex]x \: = \: \frac{2}{5} [/tex]
Viola!
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