Simplify the following expression (with prosses plz)
1. (3√5+5√2)^2
2.(5√3-2√5)^2
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1
Answer:
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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