UPSC NDA II 2015 Mathematics Solved Paper

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Question : 63 of 120

Marks: +1, -0

if

→

b

and

→

c

are the position vectors of the points B and C respectively,then the position vector of the point D such that

→

BD

=4

→

BC

is

[NDA II 2015]

4(
→
c
−
→
b
)
−4(
→
c
−
→
b
)
4
→
c
−3
→
b
4
→
c
+3
→
b

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