Q 1 : If P = 2,4,7 and P_{2} = (-4, -1, 5) then find the magnitude of vector P_{1} P_{2} . 3i+6j 6i+5jÖ 65
Q 2 : Find the unit vector in the direction of of P(1,2) and Q(4,5). 2i+5j (i+j)/Ö 2 3i-2j
Q 3 : Find a unit vector in the direction from P(3,2) towards Q(5,6). 4i+5 2i+3 i/Ö 5 + 2j/Ö 5
Q 4 : Find the vector joining the initial point P(-4,2) and terminal point Q(0,-4) 4i-6j 8i-6j 4i+6j
Q 5 : Find the vector in the direction of the vector -i+2j+2k that has magnitude 7. -3i+2j i-j+k 7(-i+2j+2k)/3
Q 6 : Find the condition that the vectors a = ki + 3j and b = 4i+kj, (k not equal to 0) are parallel. k = 0 k^{2} = 12 k = 6
Q 7 : If P = 2,4,7 and P_{2} = (-4, -1, 5) then find vector P_{1} P_{2} . -6i+5j 6i+5j+3k -6i-5j-2k
Q 8 : Find the unit vector in the direction of P(1,2,3) towards Q(4,5,6). (i+j+k)/Ö 3 6i+5j+2k 8j-2k
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