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2
Answer:
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Explanation:
Note:
(
a
−
2
b
)
2
=
(
a
−
2
b
)
(
a
−
2
b
)
Each term in the second bracket must be multiplied by each term in the first bracket. This is shown below.
(
a
−
2
b
)
(
a
−
2
b
)
=
a
(
a
−
2
b
)
−
2
b
(
a
−
2
b
)
distribute and collect like terms.
=
a
2
−
2
a
b
−
2
a
b
+
4
b
2
=
a
2
−
4
a
b
+
4
b
2
Answered by
1
Answer:
answer for the given problem is given
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