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Byju's Answer
Standard IX
Mathematics
Exponential Representation for Irrational Numbers
If √23 x - ...
Question
If
(
3
√
2
3
)
x
−
1
=
27
8
, then the value of
x
+
16
is equal to:
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Solution
⇒
(
3
√
2
3
)
x
−
1
=
27
8
⇒
⎛
⎜
⎝
(
2
3
)
1
3
⎞
⎟
⎠
x
−
1
=
3
3
2
3
⇒
(
2
3
)
x
3
−
1
3
=
(
2
3
)
−
3
Both side base are same so
⇒
x
3
−
1
3
=
−
3
⇒
x
−
1
=
−
9
⇒
x
=
−
8
x
+
16
=
−
8
+
16
=
8
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0
Similar questions
Q.
If
3
(
x
2
+
1
)
2
=
27
, then value of
x
is equal to
Q.
Find the value of x if
∣
∣ ∣
∣
x
−
2
2
x
−
3
3
x
−
4
x
−
4
2
x
−
9
3
x
−
16
x
−
8
2
x
−
27
3
x
−
64
∣
∣ ∣
∣
=
0
?
Q.
The value of
x
which satisfies
∣
∣ ∣
∣
x
−
2
2
x
−
3
3
x
−
4
x
−
4
2
x
−
9
3
x
−
16
x
−
8
2
x
−
27
3
x
−
64
∣
∣ ∣
∣
=
0
is:
Q.
If
4
x
−
1
=
3
x
+
8
then value of
x
is equal to
Q.
Assertion :Let
2
1
/
14
.4
1
/
8
.8
1
/
16
.16
1
/
32
.
.
.
∞
=
2
x
then the value of
x
is equal to 1. Reason: The sum of series
1
4
+
2
8
+
3
16
+
4
32
=
.
.
.
∞
is equal to 1.
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