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CAT 2023 Slot 1 QA Q1 — If $\sqrt{5x+9}+\sqrt{5x-9}=3(2+\sqrt{2})$, then $\sqrt{10x+9}$ is equal to | Mockat | Mockat
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CAT 2023
Slot 1
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Q 1 / 22
Q1
CAT 2023 Slot 1 QA
If
5
x
+
9
+
5
x
−
9
=
3
(
2
+
2
)
\sqrt{5x+9}+\sqrt{5x-9}=3(2+\sqrt{2})
5
x
+
9
+
5
x
−
9
=
3
(
2
+
2
)
, then
10
x
+
9
\sqrt{10x+9}
10
x
+
9
is equal to
1
2
7
2 \sqrt{7}
2
7
2
3
7
3 \sqrt{7}
3
7
3
4
5
4 \sqrt{5}
4
5
4
3
31
3 \sqrt{31}
3
31
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