UPSC NDA II 2010 Mathematics Paper
© examsiri.com
Question : 68 of 120
Marks:
+1,
-0
What is the area of a triangle whose vertices are at ( 3 , − 1 , 2 ) , ( 1 , − 1 , − 3 ) ( 4 , − 3 , 1 )
Go to Question: