Find the null space for

A=[[2,-5,11],[4,-4,16],[-7,0,-21]]

\ What is

\ u ll(A)

?\ A.

span{[[2],[-5],[11]]}

B.

span{[[-3],[1],[1]]}

C.

span{([0],[0],[0]):}

D.

span{[[2],[-5],[11]],[[4],[-4],[16]]}

\ E.

R^(3)

\ F. span

{[[2],[4],[-7]]}

\ G. none of the above

Find the null space for A=247540111621 What is null (A) ? A. span C. span000 D. span2511,4416 E. R3 F. span 247 G. none of the above