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JEE Mains 25-Jan-2023 Shift 1 Solved Paper

Section: Mathematics
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Question : 68 of 90
 
Marks: +1, -0
The vector
→
a
=−
^
i
+2
^
j
+
^
k
 is rotated through a right angle, passing through the y-axis in its way and the resulting vector is
→
b
. Then the projection of 3
→
a
+√2
→
b
 on
→
c
=5
^
i
+4
^
j
+3
^
k
 is
[25-Jan-2023 Shift 1]
Validate
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