Suppose B is nonsingular.

Let x be a 3-vector. Show that

x

=

if and only if there is a scalar such that

b)Show that A is singular if and only if c1z1 + c2z2 = c3

Please somebody help.

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- April 10th 2008, 07:29 AMmathsstudent8Matrix problem (proofs)

Suppose B is nonsingular.

Let x be a 3-vector. Show that

x

=

if and only if there is a scalar such that

b)Show that A is singular if and only if c1z1 + c2z2 = c3

Please somebody help.