UPSC 2013 CDS 2 Math Paper
© examsiri.com
Question : 10 of 100
Marks:
+1,
-0
If x + y – 7 = 0 and 3 x + y – 13 = 0 , then what is 4 x 2 + y 2 + 4 x y equal to?
[2013 CDS-II]
Go to Question: