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Byju's Answer
Standard IX
Mathematics
Special Products
Simplify : ...
Question
Simplify :
(
√
5
+
√
2
)
(
√
5
+
3
√
2
)
A
11
+
4
√
10
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B
11
+
2
√
10
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C
11
+
4
√
5
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D
11
+
4
√
20
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Solution
The correct option is
D
11
+
4
√
10
(
√
5
+
√
2
)
(
√
5
+
3
√
2
)
=
[
√
5
2
]
+
3
√
5
√
2
+
√
2
√
5
+
3
[
√
2
2
]
=
5
+
4
√
5
√
2
+
6
=
11
+
4
√
10
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