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$2.$ Diketahui matriks $A= \begin{cases} 7 \\ -1 \end{cases} $ $-2$ $1$ $-2^{\right)B}=\left(2k+1$ $-8\right)$ $5$ dan $5$ $C=\left(-7$ $2\right)$ $3$ Jika $C^{t}$ adalah transpos matriks $C$ dan $A+B=C^{t}$ maka nilai $k$ yang memenuhi adalah . . . . A. $2$ D. $-2$ B. $1$ E. $-3$ C. $-1$
10th-13th grade
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Qanda teacher - Ishita
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