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Suppose that A ⊆ B ⊆ V .
(a) Prove that span(A) ⊆ span(B).
(b) Prove that if B is linearly independent then A is linearly independent.? Given a block copolymer and a graft copolymer of the same molecular weight, how
could you differentiate them using viscosity measurements? Determine whether the function f(x)=1/x is a one to one? The least common multiple of 2 numbers is 60. One of the numbers is 7 less than the other. What are the numbers? Electrical Engineering MSEE/PhD Advice?