MathDB
Problems
Contests
National and Regional Contests
Vietnam Contests
Hanoi Open Mathematics Competition
2012 Hanoi Open Mathematics Competitions
2
compare P =2^a,Q =3, T=2^b, where a=\sqrt2 , 1+1/\sqrt2 (HOMC 2012 Q2)
compare P =2^a,Q =3, T=2^b, where a=\sqrt2 , 1+1/\sqrt2 (HOMC 2012 Q2)
Source:
July 24, 2019
algebra
comparison
Problem Statement
Compare the numbers
P
=
2
a
,
Q
=
3
,
T
=
2
b
P = 2^a,Q = 3, T = 2^b
P
=
2
a
,
Q
=
3
,
T
=
2
b
, where
a
=
2
,
b
=
1
+
1
2
a=\sqrt2 , b=1+\frac{1}{\sqrt2}
a
=
2
,
b
=
1
+
2
1
(A)
P
<
Q
<
T
P < Q < T
P
<
Q
<
T
, (B)
T
<
P
<
Q
T < P < Q
T
<
P
<
Q
, (C)
P
<
T
<
Q
P < T < Q
P
<
T
<
Q
, (D)
T
<
Q
<
P
T < Q < P
T
<
Q
<
P
, (E)
Q
<
P
<
T
Q < P < T
Q
<
P
<
T
Back to Problems
View on AoPS