Q)
(chatquestion)...that the magnitude
of their difference is v3. Delhi 2012C
70. If a, b and c are three vectors, such that
On cor
Tal = 5,| 6|= 12, | c| = 13 and
a + 6+ c = 0, then find the value of
34 +
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->
->
+6.
C + C a.
Also,
a-
Delhi 2012
71. Let a = i + 4ĵ + 2k, b = 3î - 2j+ 7k and
C = 2i – j+ 4k. Find a vector p, which is
Hene
2. We
perpendicular to both a and b and
at
p.c= 18. HOTS; All India 2012, 2010
So,
72. Find a unit vector perpendicular to each
giv
of the vectors a + b and a-6, where
3. Gi
->
a = 3i + 2j+ 2k and b = i + 2j – 2k.
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1 Answer
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