Question

X²+y²=254 और xy=108 है,तो xऔरyका मान होगा?

Answer 1

X aur Y Ka alag se maan Nahi nikala jaa Sakta hai
balki isme (X+y)^2 = X^2 +y^2 +2xy hai isme dii gyi value rakhni hai
to (X+y)^2=254 + 2*108
(X+y)^2=254+216
(X+y)^2=470
X+y=√470