Page 2 :
5 Griven that A+B+2=0. But these three vectres bin are, equal in magnilide and the magnitede g the thind vector is, the lis haning equal magnilide: Them, given day :-, fa times that o, either, the andas leliten the vectors are, (2) 45, u5, 90", (3) 4, 6', 96, () 30', 1ns", ng*, 6. Criven that, A=B, them the angle betiueen (A+E) and (â^- B) is-, () 30, (3) 90, (4) 180, 7. What is the value qf lincar veloritij , if e sT -4f•k and, 8- Sf A= 6+? and the values of A,B and C are 13,12,5 respectively,, then the angde belween A and ? will be :-, () cos" (5/13), (2) eos"(13/12), (3) 자, (4) sin" (s/12), 9. A methad which is used to measure large distantes such as the, distamce of a planet or a star is the :-, () Analytial method, (2) Ashonemical methad, (3) farallar method, (4) Both (1) and (2)