Discover Questions

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.? Expression? Find the real zeros of f(x)=1/3x^2+1/3x-2/3....? Which substance could you use to demonstrate "morphing" ? Are these substances fluids? For each explain your answer.? Calculate the molal freezing point constant of the solvent.?