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could you solve 30 and 31? Starting with the two properties of a linear transfor

ID: 3038638 • Letter: C

Question

could you solve 30 and 31?

Starting with the two properties of a linear transformation T, we found from only Theorem in this Section that T can be computed using a matrix product: T(x^rightarrow) = Ax^rightarrow Use this to prove for any linear transformation T: R^n rightarrow R^n, we must have: T (0^rightarrow_n) =0^rightarrow_m Now, using the Additivity Property and the property of the zero vector, prove directly that for any linear transformation T: R^n rightarrow R^n, we must have (0^rightarrow_n) =0^rightarrow_m.

Explanation / Answer

T is a linear transformation

given T (x) = A x

T (On)= A (On) = [ a11   a12   --- a1n

a21 ------------------ a2n

   --- --

   --- --

  an1    --- ann] x (0,0,--------0)T ( 0 repeated n times )

= (0,0,--------0)T    ( 0 repeated m times )

= (Om)

ie if T is a LT then identity element of Rn is mapped on to identity element of Rm

2 . Property of LT is T ( u+v) = T(u) +T(v)

ie T ( u+v) = T(u) +T(v) puyt v=0

   T( u+0) = T(u) +T(0)

   T(u) + Om= T(u) +T(On) => T(On) =Om