Cambridge Additional Mathematics

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Answers 455

6afb,d,e,hg bfe,f,h,i,jg c fa,c,f,g,i,j,kg
dfa,b,c,d,g,kg efe,hg ffb,d,e,f,h,i,jg
gfa,c,g,kg h fa,b,c,d,f,g,i,j,kg
7a ifa,b,c,d,h,jg ii fa,c,d,e,f,g,kg
iii fa,b,e,f,i,lg iv fa,c,dg
v fa,b,c,d,e,f,g,h,j,kg vi fa,e,fg
vii fag viii fa,b,c,d,e,f,g,h,i,j,k,lg
bi 12 ii 12
c n(A[B[C)
=n(A)+n(B)+n(C)¡n(A\B)¡n(A\C)
¡n(B\C)+n(A\B\C)
EXERCISE 1F.2
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