Math Chapter Wise question with answer

Q01 A,BandC are unit vectors. A is perpendicular to both B and C and angle between B and C is 30º. Then vector A is - English · RPSC PGT 2022 Q02 a;b;c are unit vectors b and c are non collinear vector. If a × (2b ×c) =b, then angle between a and b is - English · RPSC PGT 2022 Q03 Let − x = 2i + j 2k and y = i + j.If z is a vector such that x.z = z, z x = 2 2 − − and the angle between x×y and z... English · DSSSB PGT 2021 Q04 If A and B are two vectors, then angle between vectors A + B and A×B is English · UP TGT 2021 Q05 If â and b̂ are unit vectors such that ˆ â + 2b and ˆ ˆ 5a – 4b are perpendicular to each other, then the angle b... English · UP TGT 2021 Q06 If a b c 0 + + = and a 3, b 5, c 7 =, then the angle between a and b is: English · UKPSC Lecturer (Mains) 2020