UPSC NDA II 2023 Mathematics Solved Paper

© examsiri.com
Question : 92 of 120
 
Marks: +1, -0
If (
→
a
×
→
b
)
2
+(
→
a
â‹…
→
b
)
2
=144
and |
→
b
|
=4
, then what is the value of |
→
a
|
?
[NDA II 2023]
Go to Question: