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Byju's Answer
Standard IX
Mathematics
Euclid's Division Lemma
If x51+51 is ...
Question
If
x
51
+
51
is divided by
x
+
1
, the remainder is
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Solution
Given:
x
51
+
51
Let,
f
(
x
)
=
x
51
+
51
∵
f
(
x
)
is divided by
x
+
1
, so by factor theorem remainder
=
f
(
−
1
)
.
∴
f
(
−
1
)
=
(
−
1
)
51
+
51
=
−
1
+
51
=
50
∵
The remainder is
50
.
Hence, option (D) is the correct answer.
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Similar questions
Q.
If x
51
+ 51 is divided by x + 1, the remainder is
(a) 0
(b) 1
(c) 49
(d) 50