rationalize the denominator √10
____
2√5 + √2
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Answer:
Solution:-
2
10
+
15
As we know that the rationalization factor for
a
1
is
a
.
∴
2
10
+
15
=
2
10
+
15
×
2
2
⇒=
(
2
)
2
(
10
+
15
)
2
⇒=
2
(
10
×
2
+
15
×
2
)
⇒=
3
20
+
30
⇒=
3
2×2×5
+
30
⇒=
3
2
5
+
30
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