Question

Use the indicated row operation to change the matrix. 1 Replace Ryby Ry + ZR2. 20 4 -2 212

Answer 1

Answer! we have Q 0 2 2 4 12 1 + R ₂ R, + 2 2 R Rg 2 2 it means first divide row 1st by a & simultenusely divide. and by a then add the result gives row a. 70w

Now, if we divide ist row of above matrix by a, becomes 2 it ola of above & divide and row if we matrix by a it becomes Lilo if we add the result then becomes you and [o le]

Now, Rg [& o 12R, there Ri |:] is the Answer option c is correct