Let L, M be linear functions. (a) Prove that ker(L M) ker M. (b) Find
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(a) Prove that ker(L ○ M) ⊇ ker M.
(b) Find an example where ker(L ○ M) ≠ ker M.
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a If x ker M then L o Mx LMx L0 0 ...View the full answer
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