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Byju's Answer
Standard VIII
Physics
Thrust & Pressure
Choose the co...
Question
Choose the correct alternative in the following question:
If
2
n
=
1024
,
then
2
n
2
+
2
=
a
64
b
128
c
256
d
512
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Solution
As
,
2
n
=
1024
⇒
2
n
=
2
10
Comparing
the
exponent
of
both
the
sides
,
we
get
n
=
10
Now
,
2
n
2
+
2
=
2
10
2
+
2
=
2
5
+
2
=
2
7
=
128
Hence, the correct alternative is option (b).
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