If either veca=vec0"or" vecb =vec0, "the...

If either `veca=vec0"or" vecb =vec0, "then"vecaxxvecb=vec0`.Is the converse true? Justify your answer with an example.

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Given that oversetrarra.oversetrarrb=0"and"oversetrarraxxoversetrarrb=...
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Let the vectors 'veca, vecb, vecc' be given as 'a1 hati+a2 hatj+a3 hat...
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If either veca=vec0"or" vecb =vec0, "then"vecaxxvecb=vec0.Is the conve...
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Find the area of the triangle with vertices A(1,1,2),B(2,3,5) and C(1,...
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Find the area of the parallelogram whose adjacent sides are determined...
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Let the vectorsveca"and"vecbbe such that |veca|=3"and"|vecb|=sqrt2/3,...
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Area of a rectangle having vertices 'A, B, C' and 'D' with position ve...
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If hati+hatj+hatk, 2 hati+5 hatj, 3 hati+2 hatj-3 hatk and hati-6 hatj...
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Let veca,vecb, " and " vecc be three vectors such that |veca|=3,|vecb|...
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Three vectors veca,vecb,"and" vecc satisfy the conditionveca+vecb+vecc...
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Write down a unit vector in XY plane making an angle of 30^@ with the...
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Find the scalar components and magnitude of the vector joining the poi...
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If 'veca=vecb+vecc', then is it true that '|veca|=|vecb|+|vecc| ?' Jus...
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Find the value of 'x' for which 'x(hati+hatj+hatk)' is a unit vector.
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Find a vector of magnitude 5 units and parallel to the resultant of th...
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if veca=hati+hatj+hatk, vecb=2 hati-hatj+3 hatk and vecc=hati-2 hatj+h...
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Show that the points A(1,-2,-8),B(5,0,-2)andC(11,3,7)are collinear and...
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Find the position vector of a point R which divides the line joining t...
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The two adjacent sides of a parallelogram are '2 hati-4 hatj+5 hatk' a...
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Show that the direction cosines of a vector equally inclined to the ax...
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