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]
[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]
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
#koreksi