Math Chapter Wise question with answer

Q01 If, for any vector a, it is given that () () () 2 2 2 2 ˆ ˆ ˆ a i a j a k α a, × + × + × = then the value of α is: English · UKPSC Lecturer (Mains) 2020 Q02 If a,b and c are any three vectors, then the value of a –b, b –c,c –a is: English · UKPSC Lecturer (Mains) 2020 Q03 If is the angle between any two vectors a and b, then a.b a b when is equal to– English · SECTION B PGT TIER-I 31.11.2014 Q04 If | | | | a b a b + = + + = + + = + + = + where a and b are any vectors, then this equality English · PGT 2004 Q05 If ˆ ˆ ˆ a, b, c are any three vectors such that () () a + b. c = a - b. c = 0 then () × × a b c is equal to English · (GIC) Lecturer exam, 2015 Q06 If a,b,c are any three vectors, then b c,c a,a b, is equal to– English · (GIC) Lecturer exam, 2015