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Byju's Answer
Standard XII
Mathematics
Integration Using Substitution
If x=5-4√6,...
Question
If
x
=
5
−
4
√
6
,
then:
1
x
is
−
5
+
4
√
m
71
, then
m
is
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Solution
x
=
5
−
4
√
6
1
x
=
1
5
−
4
√
6
We rationalize the denominator,
1
x
=
1
5
−
4
√
6
×
5
+
4
√
6
5
+
4
√
6
=
5
+
4
√
6
25
−
16
×
6
=
−
(
5
+
4
√
6
71
)
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0
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Q.
If
x
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−
4
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6
,
then:
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