And. The angle between 14. If a + b + 6 = 0.lal = 3.6 = 5, 14-7, then (B) 20/3 (C) 5n / 3 (D) / 3

If a : b = 3 : 7 and b : c = 14 : 5, then find a : b : c.

If a : b = 3 : 7 and b : c = 14 : 5, then find a : b : c.

If veca+vecb+vecc=0, |veca|=3, |vecb|=5, |vecc|=7, then angle between veca and vecb is (A) pi/6 (B) (2pi)/3 (C) (5pi)/3 (D) pi/3

If angle between bar(a) and bar( b) is (pi)/(3) then angle. Between 2bar( a) and -3bar(b) is. (A) (pi)/(3) (B) (2 pi)/(3) (C) (pi)/(6) (D) (5 pi)/(3)

The angle between the lines 5x+3y-7=0\ a n d\ 15 x+9y+14=0 is a. 0^0 b. 60^0 c. 45^0 d. 30^0

The angle between the lines 5x+3y-7=0\ a n d\ 15 x+9y+14=0 is 90^0 b. 60^0 c. 45^0 d. 30^0

If A(-4,0,3) and B(14 ,2,-5), then which one of the following points lie on the bisector of the angle between vec O A and vec O B(O is the origin of reference )? a. (2,2,4) b. (2, 11 ,5) c. (-3,-3,-6) d. (1,1,2)