arrange the rational number in ascending order (a) 4by9. (b) -5by6 (c)-7by-12. (d)11by-24
Answers
Answered by
0
Answer:
(a) x×(y×z)
=1×(
2
−1
×
4
1
)
=1×(
8
−1
)
=
8
−1
(x×y)×z
=(1×
2
−1
)×
4
1
=
2
−1
×
4
1
=
8
−1
So x×(y×z)=(x×y)z
(b)x×(y×z)=
3
2
×(
7
−3
×
2
1
)
=
3
2
×
14
−3
=
42
−6
(x×y)×z=(
3
2
×
7
−3
)
=
21
−6
×
2
1
=
42
−6
=
2
−6
So, x×(y+z)=(x×y)×z
Answered by
0
Answer:
(c)-7by-12 (b)-5by6 (a)4 by9 (d)11by-24
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