Unit vector perpendicular to the plane o...

Unit vector perpendicular to the plane of `DeltaABC` with position vectors a,b,c of the vertices A,B,C is

`(axxb+bxxc+cxxa)/(Delta)`

`(axxb+bxxc+cxxa)/(2Delta)`

`(axxb+bxxc+cxxa)/(4Delta)`

none of these

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ARIHANT MATHS-PRODUCT OF VECTORS-Exercise (Questions Asked In Previous 13 Years Exam)

Unit vector perpendicular to the plane of DeltaABC with position vecto...
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Let O be the origin and let PQR be an arbitrary triangle. The point S ...
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Let O be the origin and vec(OX) , vec(OY) , vec(OZ) be three unit vec...
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The vector(s) which is/are coplanar with vectors hat i+ hat j+2 hat...
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Let vec a= hat i+ hat j+ hat k , vec b= hat i- hat j+ hat ka n d vec ...
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Two adjacent sides of a parallelogram A B C D are given by vec A B=...
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Let P,Q R and S be the points on the plane with position vectors -2hat...
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If aa n db are vectors in space given by vec a=( hat i-2 hat j)/(sq...
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Let two non-collinear unit vectors veca and vecb form an acute angle. ...
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Let the vectors PQ,OR,RS,ST,TU and UP represent the sides of a regular...
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The number of distinct real values of lambda , for which the vectors...
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If veca, vecb, vecc are unit vectors such that veca+vecb+vecc=0, find...
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Let A be vector parallel to line of intersection of planes P1 and P2. ...
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Let vec a= hat i+2 hat j+ hat k , vec b= hat i- hat j+ hat ka n d vec...
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Find the 7th term of GP if the first term is 7 and common ratio is 2.
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