Question

Tolong deadline detik ini

[tex] \boxed{ \large \sf{{ \frac{ |x| }{x} = x + |x| }}}[/tex]
[tex] \: [/tex]
Nilai dari x adalah ...
[tex]\begin{gathered}\begin{gathered}\begin{aligned} \sf &\sf a. \: {2}^{2} \\ \sf &\sf b. \: {2}^{1} \\ \sf & \sf c. \: {2}^{ 0} \\ \sf & \sf d. \: {2}^{ - 1} \\ \sf & \sf e. \: {2}^{ - 2} \end{aligned}\end{gathered}\end{gathered}[/tex]​

Answer 1

Jawaban:

d. 2^-1

Penjelasan dengan langkah-langkah:

.

|x|/x = x + |x|

(|x| × x)/x = x × x + |x| × x

|x| = x × x + |x| × x

-|x| × x = x² - x

-|x| × x - x² + x = 0

-|x| - x + 1 = 0

-x = -(x - 1)

-2x = -1

x = 1/2

x = 2^-1

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