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If vec(a) xx vec(b) = vec(c ) xx vec(d) ...

If `vec(a) xx vec(b) = vec(c ) xx vec(d) and vec(a) xx vec(c )= vec(b) xx vec(d)` then show that `vec(a)- vec(d) and vec(b) -vec(c )` are parallel vectors.

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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-PRODUCT OF VECTORS-SOLVED PROBLEMS
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  5. Let veca=2veci-j+veck and vecb=3i+4j-veck. If theta is the angle betwe...

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  6. Let vec(a), vec(b), vec(c ) be such that vec(c ) ne vec(0), vec(a) xx ...

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  7. Let veca = 2 hati+hatj-2hatk, vecb=hati+hatj. If vecc is a vector suc...

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  8. Let bar(a),bar(b) be two non-collinear unit vectors, if bar(alpha) = b...

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  9. A non-zero vector bar(a), is parallel to the line of intersection of t...

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  14. Find the volume of the parallelopiped having co-tenninus edges are rep...

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  15. If the vectors veca=2veci-vecj+veck,vecb=veci+2vecj-3veck and vecc=3ve...

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  17. Prove that for any three vectors veca,vecb,vec(c),[b+c" "c+a" "a+b]=2[...

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