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Byju's Answer
Standard IX
Mathematics
Deductive Reasoning
if n is a nat...
Question
if n is a natural number then n{n+1} is always
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Solution
Dear Student ,
n
and
n
+
1
are
two
consecutive
natural
numbers
.
So
,
one
of
them
will
be
odd
and
other
will
be
even
.
We
know
,
Product
of
odd
number
and
even
number
is
always
even
.
Therefore
,
n
n
+
1
will
be
even
.
As
n
n
+
1
is
even
.
So
,
it
will
be
divisible
by
2
.
Regards
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