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Mathematics
Problem
Simplify
(
2
a
3
b
−
2
)
(
−
3
a
−
1
b
4
)
(2a^{3}b^{-2})(-3a^{-1}b^{4})
(
2
a
3
b
−
2
)
(
−
3
a
−
1
b
4
)
. a)
6
a
2
b
2
6a^{2}b^{2}
6
a
2
b
2
b)
−
6
a
2
b
−
2
-6a^{2}b^{-2}
−
6
a
2
b
−
2
c)
−
6
a
2
b
2
-6a^{2}b^{2}
−
6
a
2
b
2
d)
−
6
a
4
b
2
-6a^{4}b^{2}
−
6
a
4
b
2
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