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JEE Mains 29-July-2022 Shift 2 Solved Paper

Section: Mathematics
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Question : 29 of 90
 
Marks: +1, -0
Let
→
a
 and
→
b
 be two vectors such that |
→
a
+
→
b
|2=|
→
a
|2+2|
→
b
|2,
→
a
â‹…
→
b
=3 and |
→
a
×
→
b
|2=75. Then |
→
a
|2 is equal to _______.
[29-Jul-2022-Shift-2]
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