BITSAT 2011 Paper

The two vectors

→

A

and

→

B

are drawn from a common point and

→

C

=

→

A

+

→

B

, then angle between

→

A

and

→

B

is –
(1) 90° if C2 = A2+B2
(2) greater than 90° if C2 < A2+B2
(3) greater than 90° if C2 > A2+B2
(4) less than 90° if C2 > A2 + B2
Correct options are –