desi3187
06.01.2020 •
Mathematics
Use scientific notation to rewrite the number:
a)0.0002603
b)5.38 x 10^2 in standard notation
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Ответ:
b. 0.538*10^-1
Ответ:
Solving the rational equation x/2 = x²/(x - 2) is;
The rational equation can be written mathematically as;
x/2 = x²/(x - 2)
By cross product;
x² - 2x = 2x²
x² + 2x = 0
x (x + 2) = 0.
x = 0 or x = -2.
To check for extraneous solutions;
For x=0;
0/2 = 0²/-20 = 0For x = -2;
-2/2 = (-2)²/(-2-2)-1 = 4/-4-1 = -1.
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