3) Verify associative property of integers, if
l = -2
m = 3
n = -4
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Answer:
7
,
−3
2
and
18
−5
9
−7
+(
−3
3
+
18
−5
)
LHS =
9
−7
+(
−3
2
+
18
−5
)
Taking LCM
2 3,18
3 3,9
5 3,3
1,1
∴LCM of 3 and 18=2×3×3=18
Taking LCM
3 3,9
3 3,3
1,1
∴LCM of 3 and 9=3
RHS=(
9
−7
+
−3
2
)+
18
−5
∴LCMof3and9=3
=
9
−7−6
+
18
−5
=
18
−26−5
=
18
−31
∴RHS=LHS
Hence, the associative property for the addition of rational numbers is verified
Step-by-step explanation:
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