Question

the rank of the matrix row 1 (1 2 3) row 2 (2 4 6) row 3 (3 6 9) is​

Answer 1

Answer:

So, A=

∣

∣

∣

∣

∣

∣

∣

∣

1

2

1

2

4

2

3

6

3

1

2

2

∣

∣

∣

∣

∣

∣

∣

∣

for determining rank of matrix

r

2

→r

2

−2r

1

and r

3

→r

3

−r

1

A=

∣

∣

∣

∣

∣

∣

∣

∣

1

0

0

2

0

0

3

0

0

1

0

1

∣

∣

∣

∣

∣

∣

∣

∣

So, no of indepedent row =2

So, rank of matrix =2

Explanation:

I hope you give me brainlist..