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Probability Introduction :

Q) Show that B={(2,1),(7,4)} is Linearly Independent.

Sol)

            a(2,1)+b(7,4)=(0,0)

           (2a+7b, a+4b)=(0,0)

            2a+7b=0,  a+4b = 0

          Solving them we get a=0 and b=0

    Hence B is L.I.


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