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JEE Mains Model Paper 21

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Question : 65 of 90
 
Marks: +1, -0
The position vector of a point ‘P’ is
→
r
 = x
^
i
+y
^
j
+z
^
k
 where x , y , z ∊ N and
→
u
 =
^
i
+
^
j
+
^
k
. If
→
r
.
→
u
 = 10. Then the number of possible positions of ‘P’ is
Validate
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