3. Find Let å = 22 + 9-2k and 5 = i +j. Let ĉ be a vector such that 12-ā=3, (axb)xcl = 3 and the angle between cand axo be 30°. Then a c is equal to

Let a= 2hat(i) -2hat(k) , b=hat(i) +hat(j) and c be a vectors such that |c-a| =3, |(axxb)xx c|=3 and the angle between c and axx b" is "30^(@) . Then a. c is equal to

Let a= 2hat(i) +hat(j) -2hat(k) , b=hat(i) +hat(j) and c be a vectors such that |c-a| =3, |(axxb)xx c|=3 and the angle between c and axx b" is "30^(@) . Then a. c is equal to

Let a= 2hat(i)+ hat(j) -2hat(k) , b=hat(i) +hat(j) and c be a vectors such that |c-a| =3, |(axxb)xx c|=3 and the angle between c and axx b" is "30^(@) . Then a. c is equal to

Let a= 2hat(i)+ hat(j) -2hat(k) , b=hat(i) +hat(j) and c be a vectors such that |c-a| =3, |(axxb)xx c|=3 and the angle between c and axx b" is "30^(@) . Then a. c is equal to

Let a = 2i + j - 2k and b = I + j. If c is vector such that ac = |c|, |c - a| = 2 sqrt(2) and the angle between a xx b and c is 30^(@) , then |(a xx b) xx c| =

Let widehat a=2hat i+hat j-2hat k and vec b=hat i+hat j. Let vec c be a vector such that |vec c-vec a|=3,|(vec a xxvec b)xxvec c|=3 and the angle between vec c and vec a xxvec b be 30^(@) . Then vec a.vec c is equal to : 5(2)(1)/(8)(3)(25)/(8)(4)2

Let a = i- 2j + k and b = i-j+k be two vectors. If c is a vector such that b x c = b x a and c.a = 0, then c . b is equal to:

Let veca = 2i + j -2k, and b = i+ j if c is a vector such that veca .vecc = |vecc|, |vecc -veca| = 2sqrt2 and the angle between veca xx vecb and vecc is 30^(@) , then |(veca xx vecb)xx vecc| is equal to