HARD
JEE Advanced
IMPORTANT
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Let a, b and c are non-zero vectors such that they are not orthogonal pairwise and such that V1=a×b×c and  V2=(a×b)×c, are equal, then which of the following hold(s) good?

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Important Questions on Product of Vectors

HARD
JEE Advanced
IMPORTANT
Given three vectors U=2i^+3j^6k^,  V=6i^+2j^+3k^ and W=3i^ 6j^ 2k^Which of the following holds good for the vectors U, V and W ?
HARD
JEE Advanced
IMPORTANT
Let a=2i^j^+k^, b=i^+2j^k^ and c=i ^+j^-2k^ be three vectors. A vector in the plane of b and c whose projection on a is of magnitude 23 is
HARD
JEE Advanced
IMPORTANT

Three vectors aa0,  b and c are such that  a×b=3a×c. Also, a=b=1 and c=13, If the angle between b and c is 600,  then

HARD
JEE Advanced
IMPORTANT

Let a,b,c be non-zero vectors and |a|=1 and r is a non-zero vector such that r×a=b and r·c=1, then

HARD
JEE Advanced
IMPORTANT
If a and b are two unit vectors perpendicular to each other and  c1a + λ2b + λ3(a x b) , then the following is (are) true
HARD
JEE Advanced
IMPORTANT

Given three non-coplanar vectors OA = a, OB = b, OC = c.  Let S be the centre of the sphere passing through the points O,A,B,C, if OS = X, then

HARD
JEE Advanced
IMPORTANT

If  a=i+j+and b = j, then the vectors (a·i)i+ (a·j)j+ (a·k)k   ,(b·i^) i+(b·j)j+ (b·k)k and i+j – 2k

HARD
JEE Advanced
IMPORTANT
If  a=xi+ yj+ zkb = yi + zj +xkc = zi+ xj+ yk, then  a × (b × c) is