Find a basis for Col(A) and a basis for Nul(A) Question 3. (20 pts) Let A=...

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Find a basis for Col(A) and a basis for Nul(A)
Question 3. (20 pts) Let A= 3 9-27 2-6 18 3 9 -2 2 Find a basis for Col(A) and a basis for Nul(A).

Answer 1

Answer #1

Solution Given - 2 7 A= 2 3. 8 - 2 2 To find basis for collA) and boses for Null AJ Lets find the rref(n). 2 3 -3 3 R; - 1 /

RITR, +2322 3 - RREFCA) 0 Since, ist 374 So, the corresponding columns in original matrix for the basis for cal (A) So, basis

Answer 2

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