Question

X2+y2=26 and xy=3 find the vale of x+y

Answer 1

Answer:

$\large\mathsf\green{x+y=\sqrt32}$

Step-by-step explanation:

$\large\mathsf\purple{using\:identity:-}$

$\large\mathsf\green{a²+b²+2ab=(a+b)²}$

$\large\mathsf\green{26+2(3)=(x+y)²}$

$\large\mathsf\green{x+y=\sqrt32}$