If a+b is perpendicular to a and |b| = 2^.5 then...?(1) (2a + b) is parallel to b(2) (2a + b) is perpendicular to b(3) (2a - b) is perpendicular to b(4) (2a + b) is perpendicular to a
If a+b is perpendicular to a and |b| = 2^.5 then...?
(1) (2a + b) is parallel to b
(2) (2a + b) is perpendicular to b
(3) (2a - b) is perpendicular to b
(4) (2a + b) is perpendicular to a