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Find the value of lambda if three vector...

Find the value of `lambda` if three vectors `veca= 2hati-hatj+hatk,vecb= hati+2hatj-3hatk` and `vecc= 3hati+lambdaj+5hatk` are coplanar.

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If the vectors vec a=2hati-hatj+hatk, vec b=hati+mhatj-3hatk and vec c =3hati-4hatj+5hatk are coplanar, then find m.

Find the sum of the vectors veca=hati-2hatj+hatk,vecb=-2hati+4hatj+5hatkandvecc=hati-6hatj-7hatk .

Find the angle between the two vectors vecA =hati-2hatj+3hatk and vecB=2hati+hatj+3hatk .

Find the angle between the vectors veca=hati-hatj+hatk and vecb=hati+hatj-hatk .

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Show that the vectors veca=3hati-2hatj+hatk, vecb=hati-3hatj+5hatk and vecc=2hati+hatj-4hatk form a right angled triangle.

Show that the vectors hati -2 hatj+3hatk , -2hati+3hatj-4hatk and hati -3hatj +5hatk are coplanar.

Find the projection of the vector veca=2hati+3hatj+2k on the vector vecb=hati+2hatj+hatk .

Prove that a right angled triangle can be formed using the vectors vecA=hati-3hatj+5hatk, vecB=2hati+hatj-4hatk and vecC=3hati-2hatj+hatk .

The vectors (29)/(3)hati-4hatj+5hatk, 2hati+mhatj+hatk and veci+2hatj+hatk are coplanar, find m.

UNITED BOOK HOUSE-QUESTION PAPER 2015-EXERCISE
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