If a>b>1 , then which of the following is true?
A
a2>b2
B
a2<ab
C
b +a>2a
D
a -b<0
Correct Answer: a2>b2
Let, a = 3 & b = 2 Option a) a2> b2 = (3)2> (2)2 = 9 > 4 True Option b) a2 < ab = (3)2 < 3 x 2 = 9<6 false Option c) b + a > 2a = 2 + 3> 2 x 3 = 5 > 6 false Option d) a – b<0 = 3 - 2<0 = 1< 0 false