if n(A) = 102, n(A u B) = 157, and n(A n B) = 47, find n(B).

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Matrices
Section2.2: Properties Of Matrrix Operations
Problem 14E: Solve for X in the Equation, given A=-2-1103-4 and B=0320-4-1 a X=3A2B b 2X=2AB c 2X+3A=B d...
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if n(A) = 102, n(A u B) = 157, and n(A n B) = 47, find n(B). 

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