Let vec a= hat i-\ hat j ,\ vec b=3 h...

Let ` vec a= hat i-\ hat j ,\ vec b=3 hat j-\ hat k` and ` vec c=7 hat i-\ hat kdot` Find a vector ` vec d` which is perpendicular to both ` hat a` and ` vec b ,` and ` vec c` . ` vec d=1`

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Let vec a= hat i- hat j ,\ vec b=3 hat j- hat k\ a n d\ vec c=7 hat i- hat kdot\ Find a vector vec d which is perpendicular to both vec a\ a n d\ vec b ,\ a n d\ vec cdot vec d=1.

Let vec a= hat i+4 hat j+2 hat k ,\ vec b=3 hat i-2 hat j+7 hat k\ a n d\ vec c=2 hat i- hat j+4 hat kdot\ find a vector vec d which is perpendicular to both vec a and vec b and vec c vec d=15.

If vec a = hat i + hat j, vec b = hat i + hat k, vec c = hat k + hat i, a unit vector parallel to vec a + vec b + vec c

vec a=2hat i-hat j+hat k,vec b=hat i+hat j-2hat k and vec c=hat i+3hat j-hat k,f in d lambda such that vec a is perpendicular to lambdavec b+vec c

vec a=3hat i-hat j-4hat k,vec b=-2hat i+4hat j-3hat k and vec c=hat i+2hat j-hat k,f in d|3vec a-2vec b+4vec c|

If vec a=hat i+2hat j+hat k,vec b=2hat i+hat j and vec c=3hat i-4hat j-5hat k then find a unit vector perpendicular to both of the vector (vec a-vec b) and (vec c-vec b)

If vec(a)=(4hat(i)+ 5 hat(j) - hat(k)),vec(b)=(hat(i)-4 hat(j)+ 5 hat(k)) , and vec(c)=(3 hat(i)+ hat(j)-hat(k)) find a vector vec(d) which is perpendicular to both vec(a) and vec(b) and for which vec(c )*vec(d)=21.

If vec a=hat i-hat j and vec b=-hat j+2hat k, find (vec a-2vec b)*(vec a+vec b)

Find [vec avec bvec c], when :vec a=2hat i-3hat j,vec b=hat i+hat j-hat k and vec c=3hat i-hat k

Let vec(A)=4hat(i)+5hat(j)-hat(k), vec(b)=hat(i)-4hat(j)+5hat(k) and vec(c) =3hat(i)+hat(j)-hat(k) . Find a vector vec(d) which is perpendicular to both vec(a) and vec(b) , and is such that vec(d). Vec(c)=21 .

XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions

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