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TRUE OR FALSE?

10. If T is a linear transformation fromP6toR2×2 , then the kernel of T must be three-dimensional.

Short Answer

Expert verified

The given statement is false.

Step by step solution

01

Definition of linear transformation

A linear transformation is a function from one vector space to another that respects the underlying (linear) structure of each vector space.

For example-

The defining characteristic of a linear transformation T:V→Wis that, for any vectors v1andv2in V and scalars a and b of the underlying field,

Tav1+Tbv2=aTv1+btv2

02

Find the dimension of kernel of T

Dimension of p6is 7 and dimension of R2×2is 4.

By rank theorem, 4=rankT*nullityT.

We can take zero transformation T that maps every vector to zero vector and its rank is 4,

So, the kernel of T is four dimensional.

Hence, the statement is false.

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