[" 11.What is the value of "[2hat i3hat j*4k]" ? "],[[" (a) "8," (b) "16," (c) "24," (d) None "]]

Writhe the value of [2hat i3hat j4hat k]

What is the value of (hat i+hat j)×(hat j+hat k).(hat k+hat i) ?

What is the value of lamda for which the vectors hat(i) - hat(j) + hat(k), 2hat(i) + hat(j)- hat(k) and lamda hat(i) - hat(j)+ lamda (k) are coplanar

A point on the line hat r=2hat i+3hat j+4hat k+t(hat i+hat j+hat k) is

A point on the line vec r=2hat i+3hat j+4hat k+t(hat i+hat j+hat k) is

What is the value of lamda for which (lamda hat(i) + hat(j)- hat(k)) xx (3 hat(i) -2hat(j) + 4hat(k)) = (2hat(i) - 11 hat(j) - 7hat(k)) ?

For what values of p and q the vectors 2 hat (i) + p hat (j) - 3 hat (k) and q hat (i) - 4 hat (j) + 2 hat (k) are parallel ?

If vec a*hat i=4, then the value of vec a*{hat j xx(2hat j-3hat k)} is equal to

What is the value of b such that the scalar product of the vector hat(i) + hat(j) + hat(k) with the unit vector parallel to the sum of the vectors 2hat(i) + 4hat(j)-5hat(k) and b hat(i) + 2hat(j) + 3hat(k) is unity ?