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Byju's Answer
Standard XII
Mathematics
Middle Terms
State True or...
Question
State True or False.
Simplifying and expressing as positive indices
(
a
−
2
b
)
−
2
×
(
a
b
)
−
3
, we get
a
b
5
.
A
True
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B
False
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Solution
The correct option is
A
True
As given
(
a
−
2
b
)
−
2
.
(
a
b
)
−
3
⇒
(
a
−
2
⋅
−
2
b
−
2
)
.
(
a
−
3
b
−
3
)
⇒
(
a
4
b
−
2
)
.
(
a
−
3
b
−
3
)
⇒
a
4
+
(
−
3
)
b
(
−
2
)
+
(
−
3
)
⇒
a
4
−
3
.
b
−
2
−
3
⇒
a
b
−
5
⇒
a
b
5
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