3. Let V and W be finite-dimensional vector spaces over field F with dim(V) = n and dim(W) = m, and
let φ : V → W be a linear transformation. Fill in the six blanks to give bounds on the sizes of the
dimension of ker(φ) and the dimension of im(φ).
3. Let V and W be finite-dimensional vector spaces over field F with dim(V ) = n and dim(W) = m, and
let φ : V → W be a linear transformation. Fill in the six blanks to give bounds on the sizes of the
dimension of ker(φ) and the dimension of im(φ).
max(____,_____) ≤ dim(ker(φ)) ≤_____ _____≤ dim(im(φ)) ≤ min(_____,_____)
.
and
. Then,
Of course,
. and also
. Because the subspce
is always subset of
. Also,
can send at max whole space
to
. So
.
,
because
can be the
map. Also,
. Image can not exceed the space
.
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