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Byju's Answer
Standard XII
Mathematics
Binomial Theorem for Any Index
The last digi...
Question
The last digit of
17
256
is
Open in App
Solution
We have,
17
256
=
(
17
2
)
128
=
(
289
)
128
=
(
290
−
1
)
128
=
128
C
0
(
290
)
128
−
128
C
1
(
290
)
127
+
…
−
128
C
127
(
290
)
+
1
=
10
k
+
1
,
k
∈
Z
Hence, the last digit is
1
.
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Binomial Theorem for Any Index
Standard XII Mathematics
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