find rank of matrix x+y+z, x+2y+3z, x+4y+9z

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find rank of matrix x+y+z, x+2y+3z, x+4y+9z

nagullarevanthi9440 26th Oct, 2020

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Answer (1)

Modassir Afzal 26th Oct, 2020

Hello Nagulla

The rank of matrix will be 3 i will show you the steps

Subtract the 1st row from the 2nd row
Subtract the 1st row from the 3rd row and restore it
Multiply the 2nd row by 3
Subtract the 2nd row from the 3rd row and restore it
Calculate the number of linearly independent rows

hope this helps you

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