MathDB
Problems
Contests
National and Regional Contests
India Contests
India LIMIT
2020 LIMIT
2020 LIMIT Category 1
19
19
Part of
2020 LIMIT Category 1
Problems
(1)
Comparing exponents and factorials
Source: LIMIT 2020 Cat 1 Obj P19
5/2/2020
Let
a
=
201
9
1009
,
b
=
2019
!
a=2019^{1009}, b=2019!
a
=
201
9
1009
,
b
=
2019
!
and
c
=
101
0
2019
c=1010^{2019}
c
=
101
0
2019
, then which of the following is true?(A)
c
<
b
<
a
c<b<a
c
<
b
<
a
(B)
a
<
b
<
c
a<b<c
a
<
b
<
c
(C)
b
<
a
<
c
b<a<c
b
<
a
<
c
(D)
b
<
c
<
a
b<c<a
b
<
c
<
a
limit
algebra
factorial