Simplify: 5\sqrt(a+b)^-3-:(a+b)^2/5
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0
Answer:
(
5
+
2
)(
5
−
2
)
We know that (a+b)(a−b)=a
2
−b
2
=(
5
+
2
)(
5
−
2
)
=(
5
)
2
−(
2
)
2
=5−2
=3
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