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AP EAMCET Engineering 20 Apr 2019 Shift 2 Paper

Section: Mathematics
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Question : 31 of 160
 
Marks: +1, -0
If A. B. C and D are points whose position vectors are
^
i
+
^
j
+
^
k
 , 4
^
i
−
^
j
+2
^
k
 , 7
^
i
+2
^
j
+3
^
k
 respectively, then the projection of
→
AB
 on
→
CD
 is
Validate
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