Which of the following elementary operations has been applied to the m – McqOptions

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1.	Which of the following elementary operations has been applied to the matrix A=\(\begin{bmatrix}8&5\\2&8\end{bmatrix}\) such that the new matrix is \(\begin{bmatrix}12&21\\2&8\end{bmatrix}\)?
A.	R1→R1-2R2
B.	R1→2R1+R2
C.	R1→R2+R1
D.	R1→R1+2R2
Answer» E.

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