The solution of Linear

Tukang Tanya
· 5 bulan yang lalu

The solution of $open curly brackets x squared plus y squared equals 40 close curly brackets open curly brackets x plus y space equals space 6 close curly brackets$ is (p, q). The value for pq is ....
A. 4 D. –2
B. 2 E. –3
C. –1
Tukang Jawab
· 5 bulan yang lalu

$open parentheses x space plus y close parentheses squared minus 2 x y equals 40 2 x y space equals 6 squared minus 40 x y space equals negative 2$
D